Pansky, Ben
Macmillan, 1982
Buku Teks
Barth, Lester George, author
Holt Rinehart and Winston, 1953
Buku Teks
Patten, Bradley M., author
McGraw-Hill, 1958
Buku Teks
Sadler, T.W. (Thomas W.), author
EGC, 2013
Buku Teks
Sadler, T.W. (Thomas W.), author
Williams & Wilkins , 1995
Buku Teks