Gaya APA
Secretarial Administration and Management. (1985).
New Jersey:
Prentice Hall.
Gaya Chicago
Secretarial Administration and Management.
.
New Jersey:
Prentice Hall,
1985.
Text.
Gaya MLA
Secretarial Administration and Management.
.
New Jersey:
Prentice Hall,
1985.
Text.
Gaya Turabian
Secretarial Administration and Management.
New Jersey:
Prentice Hall,
1985.
Print.