APA (7e ed.) Bronvermelding

Eales F. Frances & Oakes S. Steve. (2015). Speakout. Upper Intermediate Students' Book (2-nd ed.). Harlow, Pearson Education Limited, 2015.

Chicago (17e ed.) Bronvermelding

Eales F. Frances en Oakes S. Steve. Speakout. Upper Intermediate Students' Book. 2-nd ed. Harlow, Pearson Education Limited, 2015, 2015.

MLA (9e ed.) Bronvermelding

Eales F. Frances en Oakes S. Steve. Speakout. Upper Intermediate Students' Book. 2-nd ed. Harlow, Pearson Education Limited, 2015, 2015.