Pyle, E Ernie
New York Overseas ed. Inc. [1944]
Buku Teks
Canot, Robert
New York Bantam Books c 1967
Buku Teks
Stafford, J.
New York Harcourt, Brace and Company 1944
Buku Teks
Wallace, Randall
New York Pocket Book 1995
Buku Teks
Scott, E Evelyn
New York Harrison Smith and Robert Haas 1934
Buku Teks