APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.