APA-referens (7:e uppl.)

Molina, M. R. A., San Pedro, J. E. J. P., & Lopez, E. L. F. Tourism expenditure of sport tourists: The case of Beach Volleyball Republic enthusiasts.

Chicago-referens (17:e uppl.)

Molina, Miguel Rafael A., Jerry Earl Jr P. San Pedro, och Emma Lina F. Lopez. Tourism Expenditure of Sport Tourists: The Case of Beach Volleyball Republic Enthusiasts.

MLA-referens (9:e uppl.)

Molina, Miguel Rafael A., et al. Tourism Expenditure of Sport Tourists: The Case of Beach Volleyball Republic Enthusiasts.