APA Citatie

Dellar, H., & Walkley, A. (2017). Outcomes: Elementary student's book. Singapore: Cengage Learning; National Geographic Learning.

Chicago Style citaat

Dellar, Hugh, en Andrew Walkley. Outcomes: Elementary Student's Book. Singapore: Cengage Learning; National Geographic Learning, 2017.

MLA citatie

Dellar, Hugh, en Andrew Walkley. Outcomes: Elementary Student's Book. Singapore: Cengage Learning; National Geographic Learning, 2017.

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