Cita APA (7th ed.)

Tan, E. L., & Mandin, B. L. (1993). Instrumental skills in the values development process. Values Education Program, Miriam College Graduate School.

Cita Chicago (17th ed.)

Tan, Earnest L., i Belen L. Mandin. Instrumental Skills in the Values Development Process. Quezon City: Values Education Program, Miriam College Graduate School, 1993.

Cita MLA (9th ed.)

Tan, Earnest L., i Belen L. Mandin. Instrumental Skills in the Values Development Process. Values Education Program, Miriam College Graduate School, 1993.