Gaya APA
SASKIA, N, R. (2020).
The effectiveness of using four square in teaching writing skill (Ed. 1, cet. 1).
Kediri:
IAIN Kediri.
Gaya MLA
SASKIA, NURUL, RAKHMADANI.
"The effectiveness of using four square in teaching writing skill".
Ed. 1, cet. 1
Kediri:
IAIN Kediri,
2020.
Text.