Cita APA

Fry, R. (2003). Great big book of personal productivity. Viva Books.

Citación estilo Chicago

Fry, Ron. Great Big Book of Personal Productivity. New Delhi: Viva Books, 2003.

Cita MLA

Fry, Ron. Great Big Book of Personal Productivity. Viva Books, 2003.

Warning: These citations may not always be 100% accurate.