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Ralph_H._Baer Đọc thêmLiên quan
Ralph Northam Ralph Fiennes Ralph Waldo Emerson Ralph Bunche Ralph Lauren Corporation Ralph Lauren Ralph Vaughan Williams Ralph Evans (nghệ sĩ vĩ cầm) Ralph M. Steinman Ralph InesonTài liệu tham khảo
WikiPedia: Ralph_H._Baer http://www.americanheritage.com/people/articles/we... http://forward.com/culture/325803/the-inventor-beh... http://www.ign.com/articles/2007/12/20/gdc-2008-ra... http://www.ralphbaer.com http://www.uspto.gov/about/nmti/recipients/2004.js... https://web.archive.org/web/20091205093846/http://...