APA (7e ed.) Bronvermelding
ebrary, Inc, & Willis, H. H. (2010). Measuring the effectiveness of border security between ports-of-entry. Rand.
Chicago (17e ed.) Bronvermelding
ebrary, Inc, en Henry H. Willis. Measuring the Effectiveness of Border Security Between Ports-of-entry. Santa Monica, CA: Rand, 2010.
MLA (9e ed.) Bronvermelding
ebrary, Inc, en Henry H. Willis. Measuring the Effectiveness of Border Security Between Ports-of-entry. Rand, 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.