Gaya APA
Drach, Harvey E.. (1959).
American Business Writing .
New York:
American Book Company.
Gaya Chicago
Drach, Harvey E..
American Business Writing.
New York:
American Book Company,
1959.
Teks.
Gaya MLA
Drach, Harvey E..
American Business Writing.
New York:
American Book Company,
1959.
Teks.
Gaya Turabian
Drach, Harvey E..
American Business Writing.
New York:
American Book Company,
1959.
Teks.