APA (7e ed.) Bronvermelding

Dummet, P., Stephenson, H., & Lansford, L. (2016). Keynote: Intermediate. Student's Book (1a. ed.). National Geographic Learning.

Chicago (17e ed.) Bronvermelding

Dummet, Paul, Helen Stephenson, en Lewis Lansford. Keynote: Intermediate. Student's Book. 1a. ed. Hampshire: National Geographic Learning, 2016.

MLA (9e ed.) Bronvermelding

Dummet, Paul, et al. Keynote: Intermediate. Student's Book. 1a. ed. National Geographic Learning, 2016.