Citazione Stile APA (7a Edizione)

Ortigas, C. D. (1997). Group process and the industries methods: Theory and practices in the Philippines (3rd ed.). Ateneo de Manila University Press.

Citazione stile Chigago Style (17a edizione)

Ortigas, Carmela D. Group Process and the Industries Methods: Theory and Practices in the Philippines. 3rd ed. Quezon City: Ateneo de Manila University Press, 1997.

Citatione MLA (9a ed.)

Ortigas, Carmela D. Group Process and the Industries Methods: Theory and Practices in the Philippines. 3rd ed. Ateneo de Manila University Press, 1997.