Barbara J. Bain ... [and others]
Elsevier Churchill Livingstone, 2012
Buku Teks
Hoffbrand, A. Victor
Wiley Blackwall, 2016
Buku Teks
Child, J. A.
Binarupa Aksara, 1990
Buku Teks
Bush, Lewis
Tokyo News Service, Ltd., 1960
Buku Teks
Lewis, M. M.
Social Sciences Publisher, 1948
Buku Teks