APA Style
Rudhito, M, A., Marpaung, Y.
(2019).
Aljabar Abstrak
.
Yogyakarta:
Matematika.
MLA Style
Rudhito, Marcellius, Andy., Marpaung, Yansen.
"Aljabar Abstrak".
Yogyakarta:
Matematika,
2019.
Text.