APA (7th ed.) Citation

S, D. O. (2009). Science for Elementary School Year IV. Erlangga.

Chicago Style (17th ed.) Citation

S, Dian Oky. Science for Elementary School Year IV. Erlangga, 2009.

MLA (8th ed.) Citation

S, Dian Oky. Science for Elementary School Year IV. Erlangga, 2009.

Warning: These citations may not always be 100% accurate.