Gaya APA
Ruggiero, V, R.
(2004).
Beyond Feelings : A Guide to Critical Thinking
(
Ed. 7.--)
.
America:
McGraw-Hill.
Gaya MLA
Ruggiero, Vincent, Ryan.
"Beyond Feelings : A Guide to Critical Thinking".
Ed. 7.--
America:
McGraw-Hill,
2004.
Buku.