Heintzelman, Oliver H., author
Prentice-Hall, 1965
Buku Teks
foreword by Emrys Jones
Octopus Books, 1978
Buku Referensi
Israel, Saul, author
Holt, Rinehart and Winston, 1976
Buku Teks
Israel, Saul, author
Holt, Rinehart and Winston, 1980
Buku Teks
James, Preston E., author
Macmillan, 1972
Buku Teks