APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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