(1968). Philosophy: An out line for the intending student. RKP.
Chicago Style aipamenaPhilosophy: An Out Line for the Intending Student. London: RKP, 1968.
MLA aipamenaPhilosophy: An Out Line for the Intending Student. RKP, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.