Παραπομπή APA

Handlin, O. (1959). Immigration as a factor in American history. Prentice Hall.

Παραπομπή Chicago Style

Handlin, Oscar. Immigration as a Factor in American History. New Jersy: Prentice Hall, 1959.

Παραπομπή MLA

Handlin, Oscar. Immigration as a Factor in American History. Prentice Hall, 1959.