APA (7. basım) Alıntı

United States National Science Foundation. Scientific and technical personnel in the federal government: 1969. For sale by the Superintendent of Documents.

Chicago Style (17. basım) Atıf

United States National Science Foundation. Scientific and Technical Personnel in the Federal Government: 1969. Washington: For sale by the Superintendent of Documents.

MLA (9th ed.) Atıf

United States National Science Foundation. Scientific and Technical Personnel in the Federal Government: 1969. For sale by the Superintendent of Documents.