APA (7e ed.) Bronvermelding

Ungerer, T. (1972). The underground sketchbook of Tomi Ungerer: With a preface by Jonathan Miller. Dover Publications; Constable.

Chicago (17e ed.) Bronvermelding

Ungerer, Tomi. The Underground Sketchbook of Tomi Ungerer: With a Preface by Jonathan Miller. New York; London: Dover Publications; Constable, 1972.

MLA (8e ed.) Bronvermelding

Ungerer, Tomi. The Underground Sketchbook of Tomi Ungerer: With a Preface by Jonathan Miller. Dover Publications; Constable, 1972.