Gaya APA
Tussy, A, S., Gustafson, R, D. (2013).
Elementary Algebra (5).
United States of America:
Brooks/Cole Cengage Learning.
Gaya MLA
Tussy, Alan, S.., Gustafson, R., David.
"Elementary Algebra".
5
United States of America:
Brooks/Cole Cengage Learning,
2013.
Text.