Gaya APA

Clark, John B.. (1990). Marketing today: successes, failures, and turnarounds (ed. 2). America: Prentice Hall.

Gaya Chicago

Clark, John B.. Marketing today: successes, failures, and turnarounds. ed. 2 America: Prentice Hall, 1990. Text.

Gaya MLA

Clark, John B.. Marketing today: successes, failures, and turnarounds. ed. 2 America: Prentice Hall, 1990. Text.

Gaya Turabian

Clark, John B.. Marketing today: successes, failures, and turnarounds. ed. 2 America: Prentice Hall, 1990. Print.