Penggayaan APA
WITTICH, Walter A., SCHULLER, Charles F.. (1979).
Instructional technology : (ed. 6th).
New York:
Harper and Row.
Chicago Style
WITTICH, Walter A., SCHULLER, Charles F..
Instructional technology :.
ed. 6th
New York:
Harper and Row,
1979.
Buku.
MLA Style
WITTICH, Walter A., SCHULLER, Charles F..
Instructional technology :.
ed. 6th
New York:
Harper and Row,
1979.
Buku.
Turabian Style
WITTICH, Walter A., SCHULLER, Charles F..
Instructional technology :.
ed. 6th
New York:
Harper and Row,
1979.
Buku.