APA (7e ed.) Bronvermelding
National Research Council (U.S.). Space Studies Board & ebrary, Inc. (2008). Opening new frontiers in space: Choices for the next new frontiers : announcement of opportunity. National Academies Press.
Chicago (17e ed.) Bronvermelding
National Research Council (U.S.). Space Studies Board en Inc ebrary. Opening New Frontiers in Space: Choices for the Next New Frontiers : Announcement of Opportunity. Washington: National Academies Press, 2008.
MLA (9e ed.) Bronvermelding
National Research Council (U.S.). Space Studies Board en Inc ebrary. Opening New Frontiers in Space: Choices for the Next New Frontiers : Announcement of Opportunity. National Academies Press, 2008.
Let op: Deze citaties zijn niet altijd 100% accuraat.