Philadelphia Museum of Art & Garvan, B. B. (1982). The Pennsylvania German collection. Philadelphia Museum of Art.
Chicago Style aipamenaPhiladelphia Museum of Art and Beatrice B. Garvan. The Pennsylvania German Collection. Philadlphia, Pa.: Philadelphia Museum of Art, 1982.
MLA aipamenaPhiladelphia Museum of Art and Beatrice B. Garvan. The Pennsylvania German Collection. Philadelphia Museum of Art, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.