Florentine Films, WETA-TV (Television station : Washington, D.C.), Public Broadcasting Service (U.S.), PBS Home Video, National Parks Film Project, LLC, Burns, K., . . . Mills, E. A. (2009). The national parks: America's best idea (Widescreen ed.). PBS Home Video ; Distributed by Paramount Home Entertainment.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Florentine Films, D.C.) WETA-TV (Television station : Washington, Public Broadcasting Service (U.S.), PBS Home Video, LLC National Parks Film Project, Ken Burns, Peter Coyote, Stephen Tyng Mather, và Enos A. Mills. The National Parks: America's Best Idea. Widescreen ed. [United States] : Hollywood, Calif.: PBS Home Video ; Distributed by Paramount Home Entertainment, 2009.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Florentine Films, et al. The National Parks: America's Best Idea. Widescreen ed. PBS Home Video ; Distributed by Paramount Home Entertainment, 2009.