Gaya APA
Understanding educational research: an intoduction. (1973).
New York:
McGraw -Hill Book Co..
Gaya Chicago
Understanding educational research: an intoduction.
3rd ed..
New York:
McGraw -Hill Book Co.,
1973.
Buku.
Gaya MLA
Understanding educational research: an intoduction.
3rd ed..
New York:
McGraw -Hill Book Co.,
1973.
Buku.
Gaya Turabian
Understanding educational research: an intoduction.
New York:
McGraw -Hill Book Co.,
1973.
Buku.