Cita APA (7a ed.)

Laigo,Alberto M. (1979). Towards greater profits the sales trainers primer. Kayumanggi.

Cita Chicago Style (17a ed.)

Laigo,Alberto M. Towards Greater Profits the Sales Trainers Primer. Quezon City,Phils: Kayumanggi, 1979.

Cita MLA (9a ed.)

Laigo,Alberto M. Towards Greater Profits the Sales Trainers Primer. Kayumanggi, 1979.