Παραπομπή σε μορφή APA (7η εκδ.)

Grafarend, E., & Awange, J. (2012). Linear and Nonlinear Models: Fixed effects, random effects, and total least squares. Springer Berlin Heidelberg : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Grafarend, Erik, και Joseph Awange. Linear and Nonlinear Models: Fixed Effects, Random Effects, and Total Least Squares. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

Grafarend, Erik, και Joseph Awange. Linear and Nonlinear Models: Fixed Effects, Random Effects, and Total Least Squares. Springer Berlin Heidelberg : Imprint: Springer, 2012.