APA استشهاد

Secomski,Kazimierz. (1958). Premises of the five-year plan in Poland(1956-1960). Polonia Publishing house.

استشهاد بنمط شيكاغو

Secomski,Kazimierz. Premises of the Five-year Plan in Poland(1956-1960). Warsaw: Polonia Publishing house, 1958.

MLA استشهاد

Secomski,Kazimierz. Premises of the Five-year Plan in Poland(1956-1960). Polonia Publishing house, 1958.