(1966). Science readings: For students of English as a second language with exercises for vocbulary development. New York: Educational Services.
Chicago Style aipamenaScience Readings: For Students of English As a Second Language With Exercises for Vocbulary Development. New York: Educational Services, 1966.
MLA aipamenaScience Readings: For Students of English As a Second Language With Exercises for Vocbulary Development. New York: Educational Services, 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.