Gaya APA
Zulfikar, .
(2021).
Buku Ajar Basic Grammar and Structure
.
Kabupaten Mandailing Natal:
Madina Publisher.
Gaya MLA
Zulfikar, .
"Buku Ajar Basic Grammar and Structure".
Kabupaten Mandailing Natal:
Madina Publisher,
2021.
Text.