Gaya APA

Sina, I., SHEHABY, N. (1973). The Proportional Logic of Avicenna : A Translation from al-Shifa al-Qiyas with Introduction, Commentary and Glossary . Dordrecht: D. Reidel Publishing Company.

Gaya MLA

Sina, Ibnu., SHEHABY, NABIL. "The Proportional Logic of Avicenna : A Translation from al-Shifa al-Qiyas with Introduction, Commentary and Glossary". Dordrecht: D. Reidel Publishing Company, 1973. Elektronik/Digital.