APA (7e ed.) Bronvermelding

Observatory Operations: Strategies, Processes, and Systems IX. SPIE Digital Library.

Chicago (17e ed.) Bronvermelding

Observatory Operations: Strategies, Processes, and Systems IX. SPIE Digital Library.

MLA (8e ed.) Bronvermelding

Observatory Operations: Strategies, Processes, and Systems IX. SPIE Digital Library.

Let op: Deze citaties zijn niet altijd 100% accuraat.