Citação norma APA

sack, K., & linsel, h. (1966). planning of technical progress in socialist countries: Planning of research and development. the institute of national planning.

Citação norma Chicago

sack, K., and hermann linsel. Planning of Technical Progress in Socialist Countries: Planning of Research and Development. cairo: the institute of national planning, 1966.

Citação norma MLA

sack, K., and hermann linsel. Planning of Technical Progress in Socialist Countries: Planning of Research and Development. the institute of national planning, 1966.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.