Παραπομπή APA

Day, R. A., & Johnson, R. C. (1974). General chemistry. Prentice - Hall Inc.

Παραπομπή Chicago Style

Day, R A., και R C. Johnson. General Chemistry. New Jersey: Prentice - Hall Inc, 1974.

Παραπομπή MLA

Day, R A., και R C. Johnson. General Chemistry. Prentice - Hall Inc, 1974.