APA引文

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

Chicago Style (17th ed.) Citation

Villegas, Bernardo M. Economics for Philippine High Schools: Development and Progress Through Economics. Rizal: Sinag-Tala, 1975.

MLA引文

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