Gaya APA
Engler, Richard E.. (1978).
The Challenge of deversity .
New York:
Harper & Row Publishers.
Gaya Chicago
Engler, Richard E..
The Challenge of deversity.
New York:
Harper & Row Publishers,
1978.
.
Gaya MLA
Engler, Richard E..
The Challenge of deversity.
New York:
Harper & Row Publishers,
1978.
.
Gaya Turabian
Engler, Richard E..
The Challenge of deversity.
New York:
Harper & Row Publishers,
1978.
.