APA (7e ed.) Bronvermelding

Lippitt, V. G. (1975). The national economic environment \. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Lippitt, Vernon G. The National Economic Environment \. New York: McGraw-Hill, 1975.

MLA (8e ed.) Bronvermelding

Lippitt, Vernon G. The National Economic Environment \. McGraw-Hill, 1975.