McPartland, Joseph F.
McGraw-Hill, 1960
Buku Teks
McPartland, Joseph F.
McGraw-Hill, 1984
Buku Referensi
Pender, Harold
John Wiley & Sons, 1950
Buku Referensi
Traister, John E.
Reston Publishing Company, 1978
Buku Referensi
edited by Sheldon S.L. Chang
John Wiley & Sons, 1983
Buku Referensi