Παραπομπή σε μορφή APA (7η εκδ.)

Wahba, G. (2006). Spline models for observational data (5th printing.). Society for Industrial and Applied Mathematics.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wahba, Grace. Spline Models for Observational Data. 5th printing. Philadelphia, Pa.: Society for Industrial and Applied Mathematics, 2006.

Παραπομπή σε μορφή MLA (9th εκδ.)

Wahba, Grace. Spline Models for Observational Data. 5th printing. Society for Industrial and Applied Mathematics, 2006.