APA Citation

Retno Mawarni, & Elis Widayanti. (2012). Phosphorus (cet.1.). Yogyakarta: Buku Biru.

Chicago Style Citation

Retno Mawarni, and Elis Widayanti. Phosphorus. cet.1. Yogyakarta: Buku Biru, 2012.

MLA Citation

Retno Mawarni, and Elis Widayanti. Phosphorus. cet.1. Yogyakarta: Buku Biru, 2012.

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