Παραπομπή σε μορφή APA (7η εκδ.)

Croft, K. (1966). Science readings for students of students of english as a second language with exercises for vocabulary development. McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Croft, Kenneth. Science Readings for Students of Students of English as a Second Language with Exercises for Vocabulary Development. McGraw-Hill, 1966.

Παραπομπή σε μορφή MLA (8th εκδ.)

Croft, Kenneth. Science Readings for Students of Students of English as a Second Language with Exercises for Vocabulary Development. McGraw-Hill, 1966.