edited by Fremont A. Shull
Richard D. Irwin, 1959
Buku Teks
edited Max D. Richards and William A. Nielander
South-Western Publishing, 1958
Buku Teks
edited by H. Igor Ansoff
Penguin, 1969
Buku Teks
edited by Huxley Madeheim, Edward Mark Mazze and Charles S. Stein
Holt, Rinehart and Winston, 1963
Buku Teks
compiled by Ernest Dale
Mcgraw-Hill, 1965
Buku Teks