IBRD & Sheram, K. (1988). The Development Data Book: :A Guide To Social And Economic Statistics (2. Edisyon.). IBRD.
Chicago Style (17th ed.) CitationIBRD and Katherine Sheram. The Development Data Book: :A Guide To Social And Economic Statistics. 2. Edisyon. Washington: IBRD, 1988.
MLA (9th ed.) CitationIBRD and Katherine Sheram. The Development Data Book: :A Guide To Social And Economic Statistics. 2. Edisyon. IBRD, 1988.
Warning: These citations may not always be 100% accurate.