Glad, P. (1969). The process of American history: From colonial beginnings to the present. Prentice-Hall.
Citace podle Chicago (17th ed.)Glad, Paul. The Process of American History: From Colonial Beginnings to the Present. Englewood Cliffs, N.J: Prentice-Hall, 1969.
Citace podle MLA (9th ed.)Glad, Paul. The Process of American History: From Colonial Beginnings to the Present. Prentice-Hall, 1969.
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