Barrett, J. (1977). Admiral George Dewey: A sketch of the man [microform]. Photoduplication Service. University of the Philippines Library.
Citazione stile Chigago Style (17a edizione)Barrett, John. Admiral George Dewey: A Sketch of the Man [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Citatione MLA (9a ed.)Barrett, John. Admiral George Dewey: A Sketch of the Man [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.