International Institute for Educational Planning, Józefowicz, A., & Sanyal, B. C. (1978). Graduate employment and planning of higher education in Poland. International Institute for Educational Planning.
Lua i Stíl Chicago (17ú heag.)International Institute for Educational Planning, Adam Józefowicz, agus Bikas C. Sanyal. Graduate Employment and Planning of Higher Education in Poland. Paris: International Institute for Educational Planning, 1978.
Lua MLA (9ú heag.)International Institute for Educational Planning, et al. Graduate Employment and Planning of Higher Education in Poland. International Institute for Educational Planning, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.