Gaya APA
Richey, Robert W.. (1968).
An Introduction to education .
New York:
McGraw Hill.
Gaya Chicago
Richey, Robert W..
An Introduction to education.
New York:
McGraw Hill,
1968.
Text.
Gaya MLA
Richey, Robert W..
An Introduction to education.
New York:
McGraw Hill,
1968.
Text.
Gaya Turabian
Richey, Robert W..
An Introduction to education.
New York:
McGraw Hill,
1968.
Print.