Παραπομπή σε μορφή APA (7η εκδ.)

Sayer, M., Dellar, H., & Walkley, A. (2017). Advanced Outcomes: Teacher's Book. National Geographic Learning; Cengage Learning.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sayer, Mike, Hugh Dellar, και Andrew Walkley. Advanced Outcomes: Teacher's Book. United Kingdom: National Geographic Learning; Cengage Learning, 2017.

Παραπομπή σε μορφή MLA (9th εκδ.)

Sayer, Mike, et al. Advanced Outcomes: Teacher's Book. National Geographic Learning; Cengage Learning, 2017.