Gaya APA
Simanjutak, H., Denholm, R.
(1985).
Elementary Aljabar
(
Ed. 1)
.
Boston:
Houghton Mifflin Company.
Gaya MLA
Simanjutak, Herpinus., Denholm, Richard.
"Elementary Aljabar".
Ed. 1
Boston:
Houghton Mifflin Company,
1985.
Text.