Lua APA (7ú heag.)
ebrary, Inc, & Willis, H. H. (2010). Measuring the effectiveness of border security between ports-of-entry. Rand.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Henry H. Willis. Measuring the Effectiveness of Border Security Between Ports-of-entry. Santa Monica, CA: Rand, 2010.
Lua MLA (9ú heag.)
ebrary, Inc, agus Henry H. Willis. Measuring the Effectiveness of Border Security Between Ports-of-entry. Rand, 2010.
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