Smeins, Fred E.
Drive Kendall/Hunt, 1978
Buku Teks
Kingsolver, Robert W.
Pearson - Benjamin Cummings, 2006
Buku Teks
Brewer, Richard
Saunders College Publishing, 1982
Buku Referensi
X Ben Wu
Kendall, 2002
Buku Teks
Brewer, Richard
Saunders College Publishing, 1994
Buku Teks