Gaya APA
Rose, Felix, Harvard, Joseph, Ginting, Lukas. (1994).
Guide to Professional & Business Corespondence .
Jakarta Pusat:
Pustaka Binaman Pressindo.
Gaya Chicago
Rose, Felix, Harvard, Joseph, Ginting, Lukas.
Guide to Professional & Business Corespondence.
Jakarta Pusat:
Pustaka Binaman Pressindo,
1994.
.
Gaya MLA
Rose, Felix, Harvard, Joseph, Ginting, Lukas.
Guide to Professional & Business Corespondence.
Jakarta Pusat:
Pustaka Binaman Pressindo,
1994.
.
Gaya Turabian
Rose, Felix, Harvard, Joseph, Ginting, Lukas.
Guide to Professional & Business Corespondence.
Jakarta Pusat:
Pustaka Binaman Pressindo,
1994.
.