Cita APA (7th ed.)

Silon, E. T., Bernardo, R. A., & Quilloy, M. C. (2009). Manual for economics with work exercises. Rex Book Store.

Cita Chicago (17th ed.)

Silon, Elsa T., Ramon A. Bernardo, i Melani C. Quilloy. Manual for Economics with Work Exercises. Manila: Rex Book Store, 2009.

Cita MLA (9th ed.)

Silon, Elsa T., et al. Manual for Economics with Work Exercises. Rex Book Store, 2009.