Cita APA (7th ed.)

Fry, R. (2009). How to study (sixth.). Cengage Learning.

Cita Chicago (17th ed.)

Fry, Rom. How to Study. sixth. New Delhi: Cengage Learning, 2009.

Cita MLA (9th ed.)

Fry, Rom. How to Study. sixth. Cengage Learning, 2009.