West, Edward Staunton
Macmillan, 1963
Buku Teks
Marshall, Alan G.
John Wiley & Sons, 1976
Buku Teks
Ackerman, Eugene
Airlangga University Press , 1988
Buku Teks
by Fred M. Snell ... [et al.]
Addison-Wesley, 1965
Buku Teks
Marshall, Alan G.
John Wiley & Sons, 1978
Buku Teks