SpringerLink (Online service), Blossfeld, H., von Maurice, J., Bayer, M., & Skopek, J. (2016). Methodological Issues of Longitudinal Surveys: The Example of the National Educational Panel Study. Springer Fachmedien Wiesbaden : Imprint: Springer VS.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Hans-Peter Blossfeld, Jutta von Maurice, Michael Bayer, και Jan Skopek. Methodological Issues of Longitudinal Surveys: The Example of the National Educational Panel Study. Wiesbaden: Springer Fachmedien Wiesbaden : Imprint: Springer VS, 2016.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Methodological Issues of Longitudinal Surveys: The Example of the National Educational Panel Study. Springer Fachmedien Wiesbaden : Imprint: Springer VS, 2016.
