APA aipamena

van der Kruit, P. C. (2016). Jacobus Cornelius Kapteyn: Born Investigator of the Heavens. Springer.

Chicago Style aipamena

van der Kruit, Pieter C. Jacobus Cornelius Kapteyn: Born Investigator of the Heavens. Springer, 2016.

MLA aipamena

van der Kruit, Pieter C. Jacobus Cornelius Kapteyn: Born Investigator of the Heavens. Springer, 2016.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.