Cita APA (7a ed.)

HOPKINS DAVID S. (1981). MARKETING PLAN ( R.NO.801). CONFERENCE BOARD.

Cita Chicago Style (17a ed.)

HOPKINS DAVID S. MARKETING PLAN ( R.NO.801). NEW YORK: CONFERENCE BOARD, 1981.

Cita MLA (9a ed.)

HOPKINS DAVID S. MARKETING PLAN ( R.NO.801). CONFERENCE BOARD, 1981.