Gaya APA

Mullen, G, L., Sellers, J, A. (2017). Abstract algebra : a gentle introduction . Boca Raton: CRC Press/Taylor & Francis.

Gaya MLA

Mullen, Gary, L., Sellers, James, A. "Abstract algebra : a gentle introduction". Boca Raton: CRC Press/Taylor & Francis, 2017. Buku.