Citazione Stile APA (7a Edizione)

Gregg, D. W. (1962). Group life insurance: An analysis of concepts, contracts, costs and company practices (3rd ed.). Irwin.

Citazione stile Chigago Style (17a edizione)

Gregg, Davis Weinert. Group Life Insurance: An Analysis of Concepts, Contracts, Costs and Company Practices. 3rd ed. Homewood, Ill.: Irwin, 1962.

Citatione MLA (8a ed.)

Gregg, Davis Weinert. Group Life Insurance: An Analysis of Concepts, Contracts, Costs and Company Practices. 3rd ed. Irwin, 1962.