dkk, S. (2009). Science for junior high school grade vii 2nd semester. Erlangga.
Chicago Style (17th ed.) Citationdkk, Sumarwan. Science for Junior High School Grade Vii 2nd Semester. Erlangga, 2009.
MLA (8th ed.) Citationdkk, Sumarwan. Science for Junior High School Grade Vii 2nd Semester. Erlangga, 2009.
Warning: These citations may not always be 100% accurate.