APA استشهاد

Bourky, W. M. (1971). blank death: A turning point in history? Holr, Rinehart and Winston.

استشهاد بنمط شيكاغو

Bourky, William M. Blank Death: A Turning Point in History? New York: Holr, Rinehart and Winston, 1971.

MLA استشهاد

Bourky, William M. Blank Death: A Turning Point in History? Holr, Rinehart and Winston, 1971.