APA (7e ed.) Bronvermelding

Zafra, N. (1955). Historical aspects of truth: Paper read at the panel discussion held Friday, Jan. 14, 1955 ... in connection with the participation of the University of the Philippines in the Bicentennial celebration of Columbia University. s.n.

Chicago (17e ed.) Bronvermelding

Zafra, Nicolas. Historical Aspects of Truth: Paper Read at the Panel Discussion Held Friday, Jan. 14, 1955 ... in Connection with the Participation of the University of the Philippines in the Bicentennial Celebration of Columbia University. [S.l: s.n, 1955.

MLA (9e ed.) Bronvermelding

Zafra, Nicolas. Historical Aspects of Truth: Paper Read at the Panel Discussion Held Friday, Jan. 14, 1955 ... in Connection with the Participation of the University of the Philippines in the Bicentennial Celebration of Columbia University. s.n, 1955.