Davis, Lance E., author
Richard D. Irwin, 1965
Buku Teks
Robertson, Ross M., author
Harcourt, Brace & World, 1964
Buku Teks
Krooss, Herman Edward, 1912-1975, author
Prentice-Hall, 1955
Buku Teks
R. B. Soehartono, author
Yayasan Proklamasi, 1974
Buku Teks
Salvadori, Massimo, author
Bobbs-Merrill, 1963
Buku Teks