Middleton, Robert Gordon, 1908-, author
D. B. Taraporevala Sons & Co., 1969
Buku Teks
edited by Sheldon S.L. Chang
John Wiley & Sons, 1983
Buku Referensi
edited by Sheldon S.L. Chang
John Wiley & Sons, 1983
Buku Referensi
Warne, D.F, author
Elsevier, 2005
Buku Referensi
Knowlton, Archer E., editor-in-chief
McGraw-Hill, 1957
Buku Referensi