Citazione Stile APA (7a Edizione)

Acuna, J. E. (1997). World value survey: Module on attitudes toward the environment. College of Business Administration, University of the Philippines.

Citazione stile Chigago Style (17a edizione)

Acuna, Jasmin Espiritu. World Value Survey: Module on Attitudes Toward the Environment. Quezon City: College of Business Administration, University of the Philippines, 1997.

Citatione MLA (9a ed.)

Acuna, Jasmin Espiritu. World Value Survey: Module on Attitudes Toward the Environment. College of Business Administration, University of the Philippines, 1997.