Cita APA (7th ed.)

Villegas, B. M. (1973). Business economics for Filipino managers. Sinag-Tala.

Cita Chicago (17th ed.)

Villegas, Bernardo M. Business Economics for Filipino Managers. Greenhills: Sinag-Tala, 1973.

Cita MLA (9th ed.)

Villegas, Bernardo M. Business Economics for Filipino Managers. Sinag-Tala, 1973.