APA Citation

Sitepu, R. P. (2008). Ensiklopedia Astronomi Planet. Erlangga.

Chicago Style Citation

Sitepu, Roy P. Ensiklopedia Astronomi Planet. Erlangga, 2008.

MLA Citation

Sitepu, Roy P. Ensiklopedia Astronomi Planet. Erlangga, 2008.

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