പോക്കർ, പ. ക. (2017). തത്വചിന്തയുടെ ആമുഖം (Thatwachinthayude aamukham) (2.). Chintha publishers.
Citação norma Chicagoപോക്കർ, പി കെ. തത്വചിന്തയുടെ ആമുഖം (Thatwachinthayude Aamukham). 2. Trivandrum: Chintha publishers, 2017.
Citação norma MLAപോക്കർ, പി കെ. തത്വചിന്തയുടെ ആമുഖം (Thatwachinthayude Aamukham). 2. Chintha publishers, 2017.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.