Gaya APA
BAHRUDIN, D, V, Y. (2018).
Improving students speaking ability on expressing plan through problem based learning (PBL) method .
Madura:
Pusat Pengembangan Bahasa IAIN Madura.
Gaya MLA
BAHRUDIN, Dinar, Vincy, Yunitaka.
"Improving students speaking ability on expressing plan through problem based learning (PBL) method".
Madura:
Pusat Pengembangan Bahasa IAIN Madura,
2018.
Artikel.