BIRDSALL, S. S., & (terj.), G. (1992). Garis besar geografi Amerika. United States Department of state.
Chicago Style (17th ed.) CitationBIRDSALL, Stephen S., and GEMBIRASARI (terj.). Garis Besar Geografi Amerika. United States Department of state, 1992.
MLA (8th ed.) CitationBIRDSALL, Stephen S., and GEMBIRASARI (terj.). Garis Besar Geografi Amerika. United States Department of state, 1992.
Warning: These citations may not always be 100% accurate.