Cita APA (7a ed.)

Shapiro, R. D. (1985). Toward effective supplier management: International comparisons. Harvard Business School.

Cita Chicago Style (17a ed.)

Shapiro, Roy D. Toward Effective Supplier Management: International Comparisons. Boston, Massachusetts: Harvard Business School, 1985.

Cita MLA (9a ed.)

Shapiro, Roy D. Toward Effective Supplier Management: International Comparisons. Harvard Business School, 1985.