Mandin, B. L. (1989). Interpersonal skills and values development. Values Education Program, Miriam College Graduate School.
Citazione stile Chigago Style (17a edizione)Mandin, Belen L. Interpersonal Skills and Values Development. Quezon City: Values Education Program, Miriam College Graduate School, 1989.
Citatione MLA (9a ed.)Mandin, Belen L. Interpersonal Skills and Values Development. Values Education Program, Miriam College Graduate School, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.