Παραπομπή APA

Pelzer, H., & Niemeier, W. (1984). Precise levelling: Contributions to the workshop on Precise Levelling held at the University of Hannover March 16-18, 1983. Bonn: Ferd Duemmlers Verlag.

Παραπομπή Chicago Style

Pelzer, H., and W. Niemeier. Precise Levelling: Contributions to the Workshop On Precise Levelling Held At the University of Hannover March 16-18, 1983. Bonn: Ferd Duemmlers Verlag, 1984.

Παραπομπή MLA

Pelzer, H., and W. Niemeier. Precise Levelling: Contributions to the Workshop On Precise Levelling Held At the University of Hannover March 16-18, 1983. Bonn: Ferd Duemmlers Verlag, 1984.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.