Fisher, Alec
Berpikir kritis : sebuah pengantar = Critical thinking : an introduction / Alec Fisher, penerjemah ; Benyamin Hadinata
Erlangga, 2008
 Buku Teks
Patrick, George Thomas White
Introduction to philosophy
George Allen and Unwin, 1925
 Buku Teks SO
Brightman, Edgar Sheffield
An Introduction to philosophy
Holt, Rinehart and Winston, 1961
 Buku Teks SO
Randall, John Herman
Philosophy : an introduction
Barnes & Noble, 1957
 Buku Teks SO
Baldwin, Robert C.
An introduction to philosophy through literature
Ronald Press, 1950
 Buku Teks SO