Παραπομπή σε μορφή APA (7η εκδ.)

Croft, K., & Cutchen, B. W. (1966). Science readings for students of English as a second language: With exercises for vocabulary development. Educational Services.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Croft, Kenneth, και Billye W. Cutchen. Science Readings for Students of English as a Second Language: With Exercises for Vocabulary Development. Washington: Educational Services, 1966.

Παραπομπή σε μορφή MLA (9th εκδ.)

Croft, Kenneth, και Billye W. Cutchen. Science Readings for Students of English as a Second Language: With Exercises for Vocabulary Development. Educational Services, 1966.