Kahin, George McTurnan
A Delta Book, 1967
Buku Teks
Buchanan, Albert Russell
Harper & Row, 1964
Buku Teks
Buchanan, A. Russell
Harper & Row, [c1964]
Buku Teks
Buchanan, A. Russell
Harper & Row, Publishing, 1964
Buku Teks
Kahin, George McTurnan
Dial Press , 1967
Buku Teks