Key Thinkers in linguistics and the Philosophy of language
Edinburgh, Edinburgh University Press, 2005
 Buku Referensi
Key thinkers in linguistics and the philosophy of language
Siobhan Chapman
Oxford University Press, 2005
 Buku Teks
Gomperz, Theodor, author
Greek thinkers : a history of ancient philosophy
John Murray, 1949
 Buku Teks
Gomperz, Theodor, author
Greek thinkers a history of ancient philosophy
John Murray , 1955
 Buku Teks
Gomperz, Theodor, author
Greek thinkers : a history of ancient philosophy
John Murray, 1931
 Buku Teks