Razzouk, Nabil; Seitz, Victoria (2003). "Nude Recreation in the U. S.: An Empirical Investigation". Journal of Hospitality & Leisure Marketing. 10 (3–4): 145–57. doi:10.1300/J150v10n03_09. S2CID168092326.
Andrieu, Bernard; Da Nóbrega, Terezinha Petrucia; Sirost, Olivier (2017). "Naked Surfing: A Brazilian Example of Body Ecology". Society and Leisure (Loisir et Société). 40 (1): 76–84. doi:10.1080/07053436.2017.1282015. S2CID132428227.
Razzouk, Nabil; Seitz, Victoria (2003). "Nude Recreation in the U. S.: An Empirical Investigation". Journal of Hospitality & Leisure Marketing. 10 (3–4): 145–57. doi:10.1300/J150v10n03_09. S2CID168092326.
Andrieu, Bernard; Da Nóbrega, Terezinha Petrucia; Sirost, Olivier (2017). "Naked Surfing: A Brazilian Example of Body Ecology". Society and Leisure (Loisir et Société). 40 (1): 76–84. doi:10.1080/07053436.2017.1282015. S2CID132428227.