Gaya APA

Rahayu, N, S. (2014). Teacher certification in Indonesia : a challenge for elementary school teacher professionalism . Jawa Timur: Unit Pengembangan Bahasa IAIN Tulungagung.

Gaya MLA

Rahayu, Nanik, Sri. "Teacher certification in Indonesia : a challenge for elementary school teacher professionalism". Jawa Timur: Unit Pengembangan Bahasa IAIN Tulungagung, 2014. Text.