APA (7e ed.) Bronvermelding

Zion, J. S., & Burns, J. (1984). Yellow Book Big Bird's - Open Sesame - Stage A: English as a Second Language Series (1a. ed.). Oxford University Press.

Chicago (17e ed.) Bronvermelding

Zion, Jane S., en Jonathan Burns. Yellow Book Big Bird's - Open Sesame - Stage A: English as a Second Language Series. 1a. ed. Nueva York: Oxford University Press, 1984.

MLA (9e ed.) Bronvermelding

Zion, Jane S., en Jonathan Burns. Yellow Book Big Bird's - Open Sesame - Stage A: English as a Second Language Series. 1a. ed. Oxford University Press, 1984.