Gaya APA
Ghufron, M, A. (2016).
COURSEBOOK OF ACADEMIC WRITING: ELT RESEARCH PAPER WRITING .
Yogyakarta:
DEEPUBLSH PUBLISHER.
Gaya MLA
Ghufron, M., Ali.
"COURSEBOOK OF ACADEMIC WRITING: ELT RESEARCH PAPER WRITING".
Yogyakarta:
DEEPUBLSH PUBLISHER,
2016.
Text.