Παραπομπή σε μορφή APA (7η εκδ.)

Spiegel, L., & Spiegel, L. (1991). Applied Statistics And Strength Of Materials Leonard Spiegel George F. Limbrunner. Macmillan Publishing Company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Spiegel, Leonard, και Leonard Spiegel. Applied Statistics And Strength Of Materials Leonard Spiegel George F. Limbrunner. Macmillan Publishing Company, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

Spiegel, Leonard, και Leonard Spiegel. Applied Statistics And Strength Of Materials Leonard Spiegel George F. Limbrunner. Macmillan Publishing Company, 1991.