Carson, Kelton, author
Tab Books , 1974
Buku Teks
Bernard, Solomon Martin, author
Prentice-Hall, 1972
Buku Teks
McCracken, Daniel D., author
John Wiley & Sons, 1974
Buku Referensi
McGrath, Mike, 1947-, author
FSC, 2012
Buku Teks
McCraken, Daniel D., author
John Wiley & Sons, 1976
Buku Teks