Cita APA

Nem Singh, R. P., & Calixihan, J. O. (2006). English for college freshmen 2 (2nd ed.). National Book Store.

Citación estilo Chicago

Nem Singh, Rosario P., and Jovita O. Calixihan. English for College Freshmen 2. 2nd ed. Mandaluyong City: National Book Store, 2006.

Cita MLA

Nem Singh, Rosario P., and Jovita O. Calixihan. English for College Freshmen 2. 2nd ed. National Book Store, 2006.