एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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