Gaya APA

ISMAIL, R, S. (2012). Environmental analysisi as a basis for determining strategy of cooperative units in Ambon city = . Surabaya: PPPM STIE Perbanas.

Gaya MLA

ISMAIL, Rumra, Suryani. "Environmental analysisi as a basis for determining strategy of cooperative units in Ambon city = ". Surabaya: PPPM STIE Perbanas, 2012. Artikel.