Utomo, E., B., Fibadahi, G.(2013).Praktek Belajar Lapangan di Water Treatment & Composting Plant (WTCP) Djarum Oasis Kretek Factory tahun akademik 2013/2014 .:Poltekkes Kemenkes Surabaya.
Gaya MLA
Utomo, E., B., Fibadahi, G..Praktek Belajar Lapangan di Water Treatment & Composting Plant (WTCP) Djarum Oasis Kretek Factory tahun akademik 2013/2014.:Poltekkes Kemenkes Surabaya,2013.Text.