Tohutoro APA (7th ed.)

Feld, C. (1969). Picasso: His recent drawings, 1966-1968. Harry N. Abrams.

Tohutoru Kātū Chicago (17th ed.)

Feld, Charles. Picasso: His Recent Drawings, 1966-1968. Nueva York: Harry N. Abrams, 1969.

Tohutoro MLA (9th ed.)

Feld, Charles. Picasso: His Recent Drawings, 1966-1968. Harry N. Abrams, 1969.