Kelby, Scott, author
Serambi Ilmu Semesta, 2013
Buku Teks
Kelby, Scott, author
Serambi Ilmu Semesta, 2013
Buku Teks
Kelby, Scott, author
Serambi Ilmu Semesta, 2012
Buku Teks
Warren, Bruce, author
Wadsworth and Cengage Learning, 2013
Buku Teks
Greenburg, Steve, author
Alpha, 2002
Buku Referensi