Gaya APA
Harvard, Joseph, Rose, Felix. (2001).
Guide to profesional and business correspondence .
Jakarta:
PPM Manajemen.
Gaya Chicago
Harvard, Joseph, Rose, Felix.
Guide to profesional and business correspondence.
Jakarta:
PPM Manajemen,
2001.
Text.
Gaya MLA
Harvard, Joseph, Rose, Felix.
Guide to profesional and business correspondence.
Jakarta:
PPM Manajemen,
2001.
Text.
Gaya Turabian
Harvard, Joseph, Rose, Felix.
Guide to profesional and business correspondence.
Jakarta:
PPM Manajemen,
2001.
Print.