(1957). Farm woodland, 1954 / United States Department of Commerce, Bureau of the Census ; prepared by the Geography Division in cooperation with the Agriculture Division.
Παραπομπή σε μορφή Chicago (17η εκδ.)Farm Woodland, 1954 / United States Department of Commerce, Bureau of the Census ; Prepared by the Geography Division in Cooperation with the Agriculture Division. 1957.
Παραπομπή σε μορφή MLA (9th εκδ.)Farm Woodland, 1954 / United States Department of Commerce, Bureau of the Census ; Prepared by the Geography Division in Cooperation with the Agriculture Division. 1957.
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