Shaffer, Kenneth R., author
The Scarecrow , 1972
Buku Teks
edited by Samantha Schmehl Hines, Kathryn Moore Crowe
Emerald, 2017
eBooks
Asian Productivity Organization, , 1972
Buku Teks
Bloomberg, Marry, author
Libraries Unlimited, 1985
Buku Teks
Facet Publishing, 2013
Buku Teks