Gaya APA
Ornstein, A, C.
(1990).
Strategis For EfectiveTeaching
(
Cetakan I)
.
New York:
HarperCollins Publisher.
Gaya MLA
Ornstein, Allan, C..
"Strategis For EfectiveTeaching".
Cetakan I
New York:
HarperCollins Publisher,
1990.
.