Παραπομπή APA

Wallace,J P, & Sherret,A. (1973). Estimation of product attributes and their importances. Springer - Verlag.

Παραπομπή Chicago Style

Wallace,J P, και Sherret,A. Estimation of Product Attributes and Their Importances. Berlin: Springer - Verlag, 1973.

Παραπομπή MLA

Wallace,J P, και Sherret,A. Estimation of Product Attributes and Their Importances. Springer - Verlag, 1973.