APA Style
Sukandarrumudi, ., Haryanto, . (2014).
Dasar-dasar Penulisan Proposal Penelitian .
Yogyakarta:
Gadah Mada University Press.
MLA Style
Sukandarrumudi, ., Haryanto, .
"Dasar-dasar Penulisan Proposal Penelitian".
Yogyakarta:
Gadah Mada University Press,
2014.
Textbook.