Cita APA

Hartmann, P., & Kirn, E. (2009). Interactions. Tp. HCM: Tổng hợp.

Chicago Style Citation

Hartmann, Pamela., i Elaine Kirn. Interactions. Tp. HCM: Tổng hợp, 2009.

Cita MLA

Hartmann, Pamela., i Elaine Kirn. Interactions. Tp. HCM: Tổng hợp, 2009.

Atenció: Aquestes cites poden no estar 100% correctes.