Green e Swanborough 1990, pp. 80–81. (EN) William Green, Gordon Swanborough, A Gallic Rarity ... The 'One-and-a-Half' Nieuport-Delage, in Air International, Vol. 38, No. 2, Bromley, UK, Tri-Service Press, febbraio 1990, pp. 75–83, 92–93, 97, ISSN 0306-5634 (WC · ACNP).
Green e Swanborough 1990, p. 80. (EN) William Green, Gordon Swanborough, A Gallic Rarity ... The 'One-and-a-Half' Nieuport-Delage, in Air International, Vol. 38, No. 2, Bromley, UK, Tri-Service Press, febbraio 1990, pp. 75–83, 92–93, 97, ISSN 0306-5634 (WC · ACNP).
Green e Swanborough 1990, p. 81. (EN) William Green, Gordon Swanborough, A Gallic Rarity ... The 'One-and-a-Half' Nieuport-Delage, in Air International, Vol. 38, No. 2, Bromley, UK, Tri-Service Press, febbraio 1990, pp. 75–83, 92–93, 97, ISSN 0306-5634 (WC · ACNP).
Green e Swanborough 1990, pp. 83, 92. (EN) William Green, Gordon Swanborough, A Gallic Rarity ... The 'One-and-a-Half' Nieuport-Delage, in Air International, Vol. 38, No. 2, Bromley, UK, Tri-Service Press, febbraio 1990, pp. 75–83, 92–93, 97, ISSN 0306-5634 (WC · ACNP).
Green e Swanborough 1990, p. 92. (EN) William Green, Gordon Swanborough, A Gallic Rarity ... The 'One-and-a-Half' Nieuport-Delage, in Air International, Vol. 38, No. 2, Bromley, UK, Tri-Service Press, febbraio 1990, pp. 75–83, 92–93, 97, ISSN 0306-5634 (WC · ACNP).
Green e Swanborough 1990, pp. 92-93. (EN) William Green, Gordon Swanborough, A Gallic Rarity ... The 'One-and-a-Half' Nieuport-Delage, in Air International, Vol. 38, No. 2, Bromley, UK, Tri-Service Press, febbraio 1990, pp. 75–83, 92–93, 97, ISSN 0306-5634 (WC · ACNP).
Green e Swanborough 1990, p. 93. (EN) William Green, Gordon Swanborough, A Gallic Rarity ... The 'One-and-a-Half' Nieuport-Delage, in Air International, Vol. 38, No. 2, Bromley, UK, Tri-Service Press, febbraio 1990, pp. 75–83, 92–93, 97, ISSN 0306-5634 (WC · ACNP).
web.archive.org
(ES) M.R. Valverde, Republica Nacional: Nieuport Delage NI-52, su Aviones de la guerra civil Española, 5 aprile 2005. URL consultato il 21 maggio 2010 (archiviato dall'url originale il 22 luglio 2010).
worldcat.org
Green e Swanborough 1990, pp. 80–81. (EN) William Green, Gordon Swanborough, A Gallic Rarity ... The 'One-and-a-Half' Nieuport-Delage, in Air International, Vol. 38, No. 2, Bromley, UK, Tri-Service Press, febbraio 1990, pp. 75–83, 92–93, 97, ISSN 0306-5634 (WC · ACNP).
Green e Swanborough 1990, p. 80. (EN) William Green, Gordon Swanborough, A Gallic Rarity ... The 'One-and-a-Half' Nieuport-Delage, in Air International, Vol. 38, No. 2, Bromley, UK, Tri-Service Press, febbraio 1990, pp. 75–83, 92–93, 97, ISSN 0306-5634 (WC · ACNP).
Green e Swanborough 1990, p. 81. (EN) William Green, Gordon Swanborough, A Gallic Rarity ... The 'One-and-a-Half' Nieuport-Delage, in Air International, Vol. 38, No. 2, Bromley, UK, Tri-Service Press, febbraio 1990, pp. 75–83, 92–93, 97, ISSN 0306-5634 (WC · ACNP).
Green e Swanborough 1990, pp. 83, 92. (EN) William Green, Gordon Swanborough, A Gallic Rarity ... The 'One-and-a-Half' Nieuport-Delage, in Air International, Vol. 38, No. 2, Bromley, UK, Tri-Service Press, febbraio 1990, pp. 75–83, 92–93, 97, ISSN 0306-5634 (WC · ACNP).
Green e Swanborough 1990, p. 92. (EN) William Green, Gordon Swanborough, A Gallic Rarity ... The 'One-and-a-Half' Nieuport-Delage, in Air International, Vol. 38, No. 2, Bromley, UK, Tri-Service Press, febbraio 1990, pp. 75–83, 92–93, 97, ISSN 0306-5634 (WC · ACNP).
Green e Swanborough 1990, pp. 92-93. (EN) William Green, Gordon Swanborough, A Gallic Rarity ... The 'One-and-a-Half' Nieuport-Delage, in Air International, Vol. 38, No. 2, Bromley, UK, Tri-Service Press, febbraio 1990, pp. 75–83, 92–93, 97, ISSN 0306-5634 (WC · ACNP).
Green e Swanborough 1990, p. 93. (EN) William Green, Gordon Swanborough, A Gallic Rarity ... The 'One-and-a-Half' Nieuport-Delage, in Air International, Vol. 38, No. 2, Bromley, UK, Tri-Service Press, febbraio 1990, pp. 75–83, 92–93, 97, ISSN 0306-5634 (WC · ACNP).