Savory, Allan
Island Press, 1988
Buku Teks
Braff, Allan J.
John Wiley & Sons, 1969
Buku Teks
MacLaine, Allan H.
Twayne Publishers, 1965
Buku Teks
Beals, Alan R
Holt, Rinehart and Winston, 1967
Buku Teks
Braff, Allan J.
John Wiley & Sons, INC, 1969
Buku Teks