Gillingham, Harrold E. (1935). Ephemeral Decorations. ANS Numismatic Notes and Monographs. Vol. 66. New York: American Numismatic Society. pp. 2–3, 20–31. OCLC952177109. Retrieved 8 July 2016.
Rippin, Ann (2007). "Space, place and the colonies: re-reading the Starbucks' story". Critical Perspectives on International Business. 3 (2). Emerald Group Publishing: 136–149. doi:10.1108/17422040710744944. ISSN1742-2043.
Gillingham, Harrold E. (1935). Ephemeral Decorations. ANS Numismatic Notes and Monographs. Vol. 66. New York: American Numismatic Society. pp. 2–3, 20–31. OCLC952177109. Retrieved 8 July 2016.
Rippin, Ann (2007). "Space, place and the colonies: re-reading the Starbucks' story". Critical Perspectives on International Business. 3 (2). Emerald Group Publishing: 136–149. doi:10.1108/17422040710744944. ISSN1742-2043.