Boorder, H. d. (1965). Petrological investigations in the Aguiar da Beira granite area, northern Portugal. Grafisch Centrum Deltro.
Chicago Style (17th ed.) CitationBoorder, Hugo de. Petrological Investigations in the Aguiar Da Beira Granite Area, Northern Portugal. Rotterdam, Neth.: Grafisch Centrum Deltro, 1965.
MLA (8th ed.) CitationBoorder, Hugo de. Petrological Investigations in the Aguiar Da Beira Granite Area, Northern Portugal. Grafisch Centrum Deltro, 1965.
Warning: These citations may not always be 100% accurate.