Lannholm, G. V., Marco, G. L., & Schrader, W. B. (1968). Cooperative studies of predicting graduate school success. Educational Testing Service.
Citazione stile Chigago Style (17a edizione)Lannholm, Gerald V., Gary L. Marco, e William B. Schrader. Cooperative Studies of Predicting Graduate School Success. Princeto, N.J: Educational Testing Service, 1968.
Citatione MLA (9a ed.)Lannholm, Gerald V., et al. Cooperative Studies of Predicting Graduate School Success. Educational Testing Service, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.