Brown, Alfred
Mc Graww Hill, 2012
Buku Teks
Brown, Alfred E.
McGraw-Hill, 2012
Buku Teks
Rohen, Johannes W.
Wolters Kluwer, 2016
Buku Referensi
Nora Hebert, Rith E. Heisler, Jett Chinn, Olga Malakhova
Pearson, 2015
Buku Referensi
Harley, John P.
McGraw-Hill, 2000
Buku Teks