Gaya APA
Manpower Problem and Policies. (1969).
Amerika:
Scranton.
Gaya Chicago
Manpower Problem and Policies.
.
Amerika:
Scranton,
1969.
.
Gaya MLA
Manpower Problem and Policies.
.
Amerika:
Scranton,
1969.
.
Gaya Turabian
Manpower Problem and Policies.
Amerika:
Scranton,
1969.
.