Gaya APA
Introduction to guidance. (1981).
New York:
[s.n.].
Gaya Chicago
Introduction to guidance.
.
New York:
[s.n.],
1981.
Text.
Gaya MLA
Introduction to guidance.
.
New York:
[s.n.],
1981.
Text.
Gaya Turabian
Introduction to guidance.
New York:
[s.n.],
1981.
Print.