APA aipamena

Daniele Bourdais; Malcolm Hope; Teresa Huntley; Clive Thorpe. (1997). Essor: Student's Book. Oxford University Press.

Chicago Style aipamena

Daniele Bourdais; Malcolm Hope; Teresa Huntley; Clive Thorpe. Essor: Student's Book. Oxford University Press, 1997.

MLA aipamena

Daniele Bourdais; Malcolm Hope; Teresa Huntley; Clive Thorpe. Essor: Student's Book. Oxford University Press, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.