APA-viite (7. p.)

Villegas, B. M., & Torralba, A. N. (1974). Studies on motivation and productivity: (or understanding Filipino workers through eyes of foreign social scientists), part II. Center for Research and Communication.

Chicago-viite (17. p.)

Villegas, Bernardo M., ja Antonio N. Torralba. Studies on Motivation and Productivity: (or Understanding Filipino Workers Through Eyes of Foreign Social Scientists), Part II. Manila: Center for Research and Communication, 1974.

MLA-viite (9. p.)

Villegas, Bernardo M., ja Antonio N. Torralba. Studies on Motivation and Productivity: (or Understanding Filipino Workers Through Eyes of Foreign Social Scientists), Part II. Center for Research and Communication, 1974.