Pamela Ching. (2003). Bubbles is Selfish. Sterling.
Cita Chicago (17th ed.)Pamela Ching. Bubbles Is Selfish. Sterling, 2003.
Cita MLA (9th ed.)Pamela Ching. Bubbles Is Selfish. Sterling, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)