Baily, H. Heaton, author
John Wiley & Sons, 1959
Buku Teks
Mason, Perry, author
Chicago , Fundation Press
Buku Teks
Moyer, C.A., author
John Wiley & Sons, 1954
Buku Teks
Cerepak, John R., author
Prentice-Hall, 1987
Buku Teks
Niswonger, C. Rollin (Clifford Rollin), 1907-, author
South-Western Pub., Co. , 1977
Buku Teks