APA (7th ed.) Citation

Villegas, B. M., & Sto. Domingo, R. S. (1973). Economics: An introduction. Sinag-tala Publishers.

Chicago Style (17th ed.) Citation

Villegas, Bernardo M., and Rolando S. Sto. Domingo. Economics: An Introduction. [Manila: Sinag-tala Publishers, 1973.

MLA (9th ed.) Citation

Villegas, Bernardo M., and Rolando S. Sto. Domingo. Economics: An Introduction. Sinag-tala Publishers, 1973.