Gaya APA
JENNINGS, L, M. (1983).
SECRETARIAL AND ADMINISTRATIVE PROCEDURES (Second Edition).
Englewood Cliffs, New Jersey:
PRENTICE HALL.
Gaya MLA
JENNINGS, Lucy, Mae..
"SECRETARIAL AND ADMINISTRATIVE PROCEDURES".
Second Edition
Englewood Cliffs, New Jersey:
PRENTICE HALL,
1983.
Textbook.