Congress and the presidency

Xehetasun bibliografikoak
Egile nagusia:	Polsby, Nelson W.
Formatua:	Liburua
Hizkuntza:	ingelesa
Argitaratua:	Englewood Cliffs, N. J. Prentice Hall c1986.
Edizioa:	4th ed.
Gaiak:	United States. Congress. > Powers and duties. Executive power > United States. Presidents > United States.