Robinson, David
Gramedia Pustaka Utama, 1996
Buku Teks
Sharp, Frank Chapman
Appleton-Century-Croft , 1937
Buku Teks
Hussey, D. E.
Pergamon Press, 1973
Buku Teks
Hussey, D. E.
Pergamon Press , 1971
Buku Teks
Jones, Reginald L., author
D.B. Taraporevala Sons, 1971
Buku Teks