APA-Zitierstil (7. Ausg.)

Fonseca, J., & Buthlay, K. (1969). New spoken english: Basic course (5.ed.). Nacional São Paulo Editora.

Chicago-Zitierstil (17. Ausg.)

Fonseca, João, und Kenneth Buthlay. New Spoken English: Basic Course. 5.ed. São Paulo, SP: Nacional São Paulo Editora, 1969.

MLA-Zitierstil (9. Ausg.)

Fonseca, João, und Kenneth Buthlay. New Spoken English: Basic Course. 5.ed. Nacional São Paulo Editora, 1969.