APA-čujuhus (7. p.)
Robertson, W. C. (2007). Chemistry basics. National Science Teachers Association.
Chicago-čujuhus (17. p.)
Robertson, William C. Chemistry Basics. Arlington, Va.: National Science Teachers Association, 2007.
MLA-čujuhus (9. p.)
Robertson, William C. Chemistry Basics. National Science Teachers Association, 2007.
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