APA Citatie

(2015). Grammar explorer 1: Student book. Boston: MA National Geographic Learning Cengage Learning.

Chicago Style citaat

Grammar Explorer 1: Student Book. Boston: MA National Geographic Learning Cengage Learning, 2015.

MLA citatie

Grammar Explorer 1: Student Book. Boston: MA National Geographic Learning Cengage Learning, 2015.

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