Assael, Henry
Buku Teks
Britt, Steuart Henderson, author
McGraw-Hill , 1968
Buku Teks
Britt, Steuart Henderson, author
McGraw-Hill Kogakusha, 1978
Buku Teks
edited by David W. Ewing
Harper & Brothers, 1958
Buku Teks
Hart, Keith, author
Library Association Publishing, 1999
Buku Teks