U.S. National Science Foundation. (1958). Funds for scietific activities in the Federal Government, fiscal years 1953 and 1954. s.n.
Chicago Style (17. basım) AtıfU.S. National Science Foundation. Funds for Scietific Activities in the Federal Government, Fiscal Years 1953 and 1954. [Washington: s.n, 1958.
MLA (9th ed.) AtıfU.S. National Science Foundation. Funds for Scietific Activities in the Federal Government, Fiscal Years 1953 and 1954. s.n, 1958.
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