Hartley, Peter, 1946-, author
Roudledge, 1993
Buku Teks
Condon, John C., author
Macmillan, 1977
Buku Teks
Devito, Joseph A., author
Pearson Education, 2004
Buku Teks
Margulies, Newton, author
McGraw-Hill, 1978
Buku Teks
Guiltinan, Joseph P.
McGraw-Hill , 1982
Buku Teks