Zinsser, W. K. (1992). American places: A writer's pilgrimage to 15 of this country's most visited and cherished sites. HarperCollins Publishers.
Chicago-referens (17:e uppl.)Zinsser, William Knowlton. American Places: A Writer's Pilgrimage to 15 of This Country's Most Visited and Cherished Sites. New York: HarperCollins Publishers, 1992.
MLA-referens (9:e uppl.)Zinsser, William Knowlton. American Places: A Writer's Pilgrimage to 15 of This Country's Most Visited and Cherished Sites. HarperCollins Publishers, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.
