Brown, Alvin
Prentice-Hall, 1947
Buku Teks
Brown, Alvin
Hibbert Printing Company, 1945
Buku Teks
Brown, Wilfred
Heinemann, 1971
Buku Teks
Lawrence L. Bethel ... [et al.]
McGraw-Hill, 1945
Buku Teks
by Lawrence L. Bethel ... [et al.]
McGraw-Hill, 1956
Buku Teks