American Psychological Association
Puhakka, Kaisa ( 1975 ). Knowledge and Reality a Comparative ( 00 ed. ). Motilal Banarsidass Publishers.
Modern Language Association
Puhakka, Kaisa. Knowledge and Reality a Comparative . Motilal Banarsidass Publishers. 1975
Chicago Citation
Puhakka, Kaisa. Knowledge and Reality a Comparative . 00 .New Delhi
: Motilal Banarsidass Publishers, 1975.
American Medical Association
Puhakka, Kaisa. Knowledge and Reality a Comparative . Motilal Banarsidass Publishers; 1975.