Gaya APA

(Pengarang), A, H. (). ORGANIZATIONS AND STRATEGIES France Strasbourg Astronomical Observatory, VOL 6 . Dordrecht, Netherlands :: Spinger.

Gaya MLA

(Pengarang), ANDR, HECK. "ORGANIZATIONS AND STRATEGIES France Strasbourg Astronomical Observatory, VOL 6". Dordrecht, Netherlands :: Spinger, . Sumber Elektronik.