Akbarian, R. (2001). The Basic Principle in Ibn-Sina's Ontology. The International Journal of Humanities, 8(1), 1–14.
Akbarian, R. "The Basic Principle in Ibn-Sina's Ontology", The International Journal of Humanities, 8, 1, 2001, 1–14.
Akbarian, R. (2001). 'The Basic Principle in Ibn-Sina's Ontology', The International Journal of Humanities, 8(1), pp. 1–14.
Akbarian, R., "The Basic Principle in Ibn-Sina's Ontology." The International Journal of Humanities, 8 1 (2001): 1–14,
Akbarian R. The Basic Principle in Ibn-Sina's Ontology. The International Journal of Humanities. 2001;8(1):1–14.