Cita APA (7th ed.)

Graduate Educational and Research Foundation, Caliwara, C. A., & Siopongco, J. O. (1975). Consultancy inputs. GEARF Foundation.

Cita Chicago (17th ed.)

Graduate Educational and Research Foundation, Cesar A. Caliwara, i Joaquin O. Siopongco. Consultancy Inputs. Manila: GEARF Foundation, 1975.

Cita MLA (9th ed.)

Graduate Educational and Research Foundation, et al. Consultancy Inputs. GEARF Foundation, 1975.