APA (7. basım) Alıntı

Villegas, B. M., & Torralba, A. N. (1975). Economics for Philippine high schools: Development and progress through economics. Sinag-Tala.

Chicago Style (17. basım) Atıf

Villegas, Bernardo M., ve Antonio N. Torralba. Economics for Philippine High Schools: Development and Progress Through Economics. [Manila]: Sinag-Tala, 1975.

MLA (9th ed.) Atıf

Villegas, Bernardo M., ve Antonio N. Torralba. Economics for Philippine High Schools: Development and Progress Through Economics. Sinag-Tala, 1975.