Stebbins, Richard P.
Harper & Brothers, 1960
Buku Teks
Stebbins, Richard P.
Harper & Brothers, 1955
Buku Teks
Chomsky, Noam, author
Bentang, 2016
Buku Teks
edited by Allan Nevins and Louis M. Hacker
D.C. Heath, 1943
Buku Teks
Barnet J. Richard
Simon and Schuster, 1980.
Buku Teks