Sekuler, Robert
McGraw-Hill, 2002
Buku Teks
Sekuler, Robert
McGraw-Hill, 2002
Buku Teks
Rock, Irvin
Macmillan Publishing Co, Inc, 1975
Buku Teks
Sekuler, Robert
McGraw-Hill, 1994
Buku Teks
Hahn, Lewis Edwin
University of California Press, 1942
Buku Teks