Gaya APA

ANWAR, E, K., GITOSUWONDO, S. (2011). Effectiveness of Commercial Biofertillizer on Fertilization Efficiency in Ultisols for the Growth . Lampung: UNILA- Universitas Lampung.

Gaya MLA

ANWAR, Ea, Kosman., GITOSUWONDO, Subowo. "Effectiveness of Commercial Biofertillizer on Fertilization Efficiency in Ultisols for the Growth ". Lampung: UNILA- Universitas Lampung, 2011. Artikel.