John G. Johnson Collection (Philadelphia, Pa.). (1953). Johnson collection: Two hundred and eighty-eight reproductions : Italian, Dutch, Flemish, German, Spanish, French, English & 19th century paintings. [s.n.].
Παραπομπή σε μορφή Chicago (17η εκδ.)John G. Johnson Collection (Philadelphia, Pa.). Johnson Collection: Two Hundred and Eighty-eight Reproductions : Italian, Dutch, Flemish, German, Spanish, French, English & 19th Century Paintings. Philadelphia: [s.n.], 1953.
Παραπομπή σε μορφή MLA (8th εκδ.)John G. Johnson Collection (Philadelphia, Pa.). Johnson Collection: Two Hundred and Eighty-eight Reproductions : Italian, Dutch, Flemish, German, Spanish, French, English & 19th Century Paintings. [s.n.], 1953.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.