Lachowiecka, D., & Opolski, K. (1995). Qualification standards as an instrument of human resource strategy. Olympus Centre for Education and Business Development.
Citazione stile Chigago Style (17a edizione)Lachowiecka, Danuta, e Krzysztof Opolski. Qualification Standards as an Instrument of Human Resource Strategy. Warsaw: Olympus Centre for Education and Business Development, 1995.
Citatione MLA (9a ed.)Lachowiecka, Danuta, e Krzysztof Opolski. Qualification Standards as an Instrument of Human Resource Strategy. Olympus Centre for Education and Business Development, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.