APA-čujuhus (7. p.)
Allen, D. S., & Ordway, R. J. (1968). Physical science (2nd ed.). Van Nostrand renhold Co..
Chicago-čujuhus (17. p.)
Allen, Donald S., juo Richard J. Ordway. Physical Science. 2nd ed. New York: Van Nostrand renhold Co., 1968.
MLA-čujuhus (9. p.)
Allen, Donald S., juo Richard J. Ordway. Physical Science. 2nd ed. Van Nostrand renhold Co., 1968.
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