Стиль цитування APA (7-ме видання)

Lachowiecka, D., & Opolski, K. (1995). Qualification standards as an instrument of human resource strategy. Olympus Centre for Education and Business Development.

Чикаго стиль цитування (17-те видання)

Lachowiecka, Danuta, та Krzysztof Opolski. Qualification Standards as an Instrument of Human Resource Strategy. Warsaw: Olympus Centre for Education and Business Development, 1995.

Стиль цитування MLA (9-ме видання)

Lachowiecka, Danuta, та Krzysztof Opolski. Qualification Standards as an Instrument of Human Resource Strategy. Olympus Centre for Education and Business Development, 1995.