Jacobs, Sydney, author
LBC Information Service, 2000
Buku Teks
McCormick, Charles T. (Charles Tilford), 1889-1963, author
West publishing, 1935
Buku Teks
McCormick, Charles T. (Charles Tilford), 1889-1963, author
West Publishing, 1935
Buku Teks
Kovacic-Fleischer, Candace S., author
Thomson/West, 2011
Buku Teks
Leavell, Robert N., author
West Publishing, [date of publication no identified]
Buku Referensi