Gaya APA
Morgan, C, T, &, D, J.
(1957).
How to study.
.
New York dsl:
New York dsl McGraw-Hill Book Co.
Gaya MLA
Morgan, Clifford, T., &, Deese,, James.
"How to study. ".
New York dsl:
New York dsl McGraw-Hill Book Co,
1957.
Buku.