University of Maryland, College Park. Bureau of Business and Economic Research. (1949). Baltimore: some economic indicators: Comparisons with other cities, relation to State of Maryland.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)University of Maryland, College Park. Bureau of Business and Economic Research. Baltimore: Some Economic Indicators: Comparisons with Other Cities, Relation to State of Maryland. College Park, 1949.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)University of Maryland, College Park. Bureau of Business and Economic Research. Baltimore: Some Economic Indicators: Comparisons with Other Cities, Relation to State of Maryland. 1949.
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