Haire, Mason, author
McGraw-Hill, 1964
Buku Teks
Haire, Mason, author
McGraw-Hill, 1956
Buku Teks
Bowman, Donald M.
McGraw-Hill , 1963
Buku Teks
Lundgren, Earl F., author
Confield, 1974
Buku Teks
Porter, Donald E., author
International , 1964
Buku Teks