Não informado. Publications of the Lick Observatory. University of California.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Publications of the Lick Observatory. Sacramento: University of California.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Publications of the Lick Observatory. University of California.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.