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