HISCO ; Historical International Standard Classification of Occupations.

MLA

van Leeuwen, Marco H.D, Ineke Maas, and Andrew Miles. Hisco ; Historical International Standard Classification of Occupations. Leuven: University Press Leuven, 2002.

APA

van Leeuwen, M. H.D, Maas, I., & Miles, A. (2002). HISCO ; Historical International Standard Classification of Occupations. Leuven: University Press Leuven.

Chicago

van Leeuwen, Marco H.D., Ineke Maas, and Andrew Miles. HISCO ; Historical International Standard Classification of Occupations. Leuven: University Press Leuven, 2002.