APA (7e ed.) Bronvermelding

Gumboc, I. R., Caras, M. S., Marquez, P. J., Navarrete, A. S., & Perez, M. S. (2007). Mathematics in business. Booklore Pub.

Chicago (17e ed.) Bronvermelding

Gumboc, Irene R., Madeleine S. Caras, Paz J. Marquez, Angelica S. Navarrete, en Marie S. Perez. Mathematics in Business. Manila: Booklore Pub, 2007.

MLA (9e ed.) Bronvermelding

Gumboc, Irene R., et al. Mathematics in Business. Booklore Pub, 2007.