Cita APA (7a ed.)

Zamora, E. A. (2001). Quantitative methods for business. Helenica Books.

Cita Chicago Style (17a ed.)

Zamora, Elvira A. Quantitative Methods for Business. Makati City: Helenica Books, 2001.

Cita MLA (9a ed.)

Zamora, Elvira A. Quantitative Methods for Business. Helenica Books, 2001.