Παραπομπή σε μορφή APA (7η εκδ.)

Westert, G. P. (1992). Variation in use of hospital care: An empirical and theoretical analysis of differences in the duration of hospital stay. Van Gorcum.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Westert, G. P. Variation in Use of Hospital Care: An Empirical and Theoretical Analysis of Differences in the Duration of Hospital Stay. Assen: Van Gorcum, 1992.

Παραπομπή σε μορφή MLA (8th εκδ.)

Westert, G. P. Variation in Use of Hospital Care: An Empirical and Theoretical Analysis of Differences in the Duration of Hospital Stay. Van Gorcum, 1992.