Spence, William P., author
John Wiley & Sons, 1993
Buku Teks
De Chiara, Joseph, 1929-, author
McGraw-Hill, 1980
Buku Referensi
Liebing, Ralph W., author
John Wiley & Sons, 1983
Buku Teks
Liebing, Ralph W., author
John Wiley & Sons, 1999
Buku Teks
edited by Mildred F. Schmertz
McGraw-Hill, 1982
Buku Teks