Παραπομπή APA

Preston Samuel H. (1972). Causes Of Death Life Tables For National Populations. Seminar.

Παραπομπή Chicago Style

Preston Samuel H. Causes Of Death Life Tables For National Populations. Newyork: Seminar, 1972.

Παραπομπή MLA

Preston Samuel H. Causes Of Death Life Tables For National Populations. Seminar, 1972.