Van Nostrand Reinhold, 1987
Buku Referensi
Rose, Arthur, 1903-
Reinhold, 1961
Buku Referensi
completely rev. and edited by Ingo W.D. Hackin and Claire Grant
McGraw-Hill, 1987
Buku Referensi
revised and edited by Julius Grant
McGraw-Hill, 1969
Buku Referensi
Cheeseman, G.W.H.
John Wiley & Sons, 1979
Buku Teks