Gaya APA
Guth, H, P.
(1966).
Concise English Hand Book ed. 2
(
2)
.
Jakarta:
Wadworth Publshing Company.
Gaya MLA
Guth, Hans, P..
"Concise English Hand Book ed. 2".
2
Jakarta:
Wadworth Publshing Company,
1966.
Text.