Gaya APA
yasin,H.B. (1984).
Surat-surat 1943-1983 .
Jakarta:
Gramedia.
Gaya Chicago
yasin,H.B.
Surat-surat 1943-1983.
Jakarta:
Gramedia,
1984.
Non-fiction.
Gaya MLA
yasin,H.B.
Surat-surat 1943-1983.
Jakarta:
Gramedia,
1984.
Non-fiction.
Gaya Turabian
yasin,H.B.
Surat-surat 1943-1983.
Jakarta:
Gramedia,
1984.
Non-fiction.