Citazione Stile APA (7a Edizione)

International Correspondence Schools. (1913). Geometrical drawing, architectural drawing. International Correspondence Schools.

Citazione stile Chigago Style (17a edizione)

International Correspondence Schools. Geometrical Drawing, Architectural Drawing. London: International Correspondence Schools, 1913.

Citatione MLA (8a ed.)

International Correspondence Schools. Geometrical Drawing, Architectural Drawing. International Correspondence Schools, 1913.