(1966). Science readings: For students of English as a second language with exercises for vocbulary development. New York: Educational Services.
Trích dẫn kiểu ChicagoScience Readings: For Students of English As a Second Language With Exercises for Vocbulary Development. New York: Educational Services, 1966.
Trích dẫn MLAScience Readings: For Students of English As a Second Language With Exercises for Vocbulary Development. New York: Educational Services, 1966.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.