Παραπομπή APA

Lippitt, V. G. (1975). The National Economic Environment. McGraw-Hill.

Παραπομπή Chicago Style

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

Παραπομπή MLA

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