Gaya APA

Rahayu, N, S. (2014). Teacher certification in Indonesia : A Clhallenge for elementary school teacher profesionalism . Tulungagung: UPB IAIN Tulungagung.

Gaya MLA

Rahayu, Nanik, Sri. "Teacher certification in Indonesia : A Clhallenge for elementary school teacher profesionalism". Tulungagung: UPB IAIN Tulungagung, 2014. Jurnal.