APA

Fuld L. M., . (1985). Competitor intelligence: how to get it, how to use it. New York: Wiley.

Chicago

Fuld Leonard M, . 1985. Competitor intelligence: how to get it, how to use it. New York: Wiley.

Harvard

Fuld L. M., . (1985). Competitor intelligence: how to get it, how to use it. New York: Wiley.

MLA

Fuld Leonard M, . Competitor intelligence: how to get it, how to use it. New York: Wiley. 1985.