Eiser, Arthur L., author
Burgess Publishing , 1968
Buku Teks
Greenfield, Sydney S.
Burgess Publishing, 1998
Buku Teks
Gallwey, Timothy Josep, author
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Harley, John P., author
McGraw-Hill Book, 2000
Buku Teks
Leith, John D., author
Burgess, 1970
Buku Teks