Gaya APA

PERSING, J, A., EVANS, G, R, D. (2007). Soft - tissue surgery of the crainofacial region . New York: Informa Healthcare.

Gaya MLA

PERSING, John, A., EVANS, Gregory, R., D. "Soft - tissue surgery of the crainofacial region". New York: Informa Healthcare, 2007. Text.