APA Style
Harvard, Joseph. (2001).
Guide to professional and business correspondence : inggris indonesia .
Jakarta:
PPM.
Chicago Style
Harvard, Joseph.
Guide to professional and business correspondence : inggris indonesia.
Jakarta:
PPM,
2001.
Text.
MLA Style
Harvard, Joseph.
Guide to professional and business correspondence : inggris indonesia.
Jakarta:
PPM,
2001.
Text.
Turabian Style
Harvard, Joseph.
Guide to professional and business correspondence : inggris indonesia.
Jakarta:
PPM,
2001.
Print.