Tohutoro APA (7th ed.)

Allen, D. S., & Ordway, R. J. (1968). Physical science (2nd ed.). Van Nostrand renhold Co..

Tohutoru Kātū Chicago (17th ed.)

Allen, Donald S., me Richard J. Ordway. Physical Science. 2nd ed. New York: Van Nostrand renhold Co., 1968.

Tohutoro MLA (9th ed.)

Allen, Donald S., me Richard J. Ordway. Physical Science. 2nd ed. Van Nostrand renhold Co., 1968.