Cita APA (7a ed.)

Economist & Caulkin, S. (1990). Drucker, Ohmae, Porter & Peters: : management briefings. Economist.

Cita Chicago Style (17a ed.)

Economist y Simon Caulkin. Drucker, Ohmae, Porter & Peters: : Management Briefings. London: Economist, 1990.

Cita MLA (9a ed.)

Economist y Simon Caulkin. Drucker, Ohmae, Porter & Peters: : Management Briefings. Economist, 1990.