East, W. Gordon
E.P. Dutton, 1950
Buku Teks
Davies, Cuthbert Collin, 1896-1974
Oxford University Press, 1959
Buku Teks
Davies, Cuthbert Collin, 1896-1974
Oxford University Press, 1959
Buku Teks
Getis, Arthur
McGraw-Hill Higher Education, 2009
Buku Teks
Unwin, Tim
Longman Scientific & Technical, 1992
Buku Teks