Gaya APA
Understanding educational research: An introduction. (1973).
Singapore:
Mc Graw-Hill.
Gaya Chicago
Understanding educational research: An introduction.
.
Singapore:
Mc Graw-Hill,
1973.
Buku.
Gaya MLA
Understanding educational research: An introduction.
.
Singapore:
Mc Graw-Hill,
1973.
Buku.
Gaya Turabian
Understanding educational research: An introduction.
Singapore:
Mc Graw-Hill,
1973.
Buku.