APA (7e ed.) Bronvermelding

Esto, W., Fernandez, R. A., Lontoc, N., & Nieva, J. M. (1992). Lonal Merchandising Stock information system. College of Engineering.

Chicago (17e ed.) Bronvermelding

Esto, Wilberto, Ray Anthony Fernandez, Norman Lontoc, en John Martin Nieva. Lonal Merchandising Stock Information System. Diliman, Quezon City: College of Engineering, 1992.

MLA (9e ed.) Bronvermelding

Esto, Wilberto, et al. Lonal Merchandising Stock Information System. College of Engineering, 1992.