APA

Williamson O. E., Winter S., . (1993). The nature of firm. New York: Oxford University.

Chicago

Williamson Oliver E, Winter SidneyG, . 1993. The nature of firm. New York: Oxford University.

Harvard

Williamson O. E., Winter S., . (1993). The nature of firm. New York: Oxford University.

MLA

Williamson Oliver E, Winter SidneyG, . The nature of firm. New York: Oxford University. 1993.