Miller, Alan R., author
John Wiley & Sons, 1981
Buku Teks
Leventhal, Lance A., author
McGraw-Hill, 1986
Buku Teks
Leventhal, Lance A., author
Mcraw-Hill, 1978
Buku Teks
Chapin, Ned, author
McGraw-Hill, 1973
Buku Teks
Jones, D. S. (Douglas Samuel), author
Oxford University Press, 1988
Buku Teks