Ferguson, J. H., & Mchenry, D. E. (1967). The American system of government. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoFerguson, John H., và Dean E. Mchenry. The American System of Government. New York: McGraw-Hill, 1967.
MLA引文Ferguson, John H., và Dean E. Mchenry. The American System of Government. New York: McGraw-Hill, 1967.
警告:這些引文格式不一定是100%准確.