APA aipamena

Zablan, Z. C., & Virina, E. (1975). A threshold level of mortality: Some evidences from past trends. s.n.].

Chicago Style aipamena

Zablan, Zelda C., and Emmanuel Virina. A Threshold Level of Mortality: Some Evidences from Past Trends. [S.l: s.n.], 1975.

MLA aipamena

Zablan, Zelda C., and Emmanuel Virina. A Threshold Level of Mortality: Some Evidences from Past Trends. s.n.], 1975.