Παραπομπή σε μορφή APA (7η εκδ.)

Nelson, King, C., & Stanley, N. (1989). Building skills for the Toefl: Test of english as a foreign language (2th ed.). Nelson.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nelson, Carol King, και Nancy Stanley. Building Skills for the Toefl: Test of English as a Foreign Language. 2th ed. London: Nelson, 1989.

Παραπομπή σε μορφή MLA (8th εκδ.)

Nelson, et al. Building Skills for the Toefl: Test of English as a Foreign Language. 2th ed. Nelson, 1989.