Rose, T.G
McGraw-Hill , 1957
Buku Teks
Lundgren, Earl F., author
Confield, 1974
Buku Teks
Lawrence L. Bethel ... [et al.]
McGraw-Hill, 1945
Buku Teks
by James L. Riggs ... [et al.]
McGraw-Hill, 1979
Buku Teks
by Lawrence L. Bethel ... [et al.]
McGraw-Hill, 1962
Buku Teks