Citazione Stile APA (7a Edizione)

Sierp, A. (1945). Perspective projection for technical, art, and high schools. Sands & McDougall].

Citazione stile Chigago Style (17a edizione)

Sierp, Allan. Perspective Projection for Technical, Art, and High Schools. [Adelaide, S. Aust.: Sands & McDougall], 1945.

Citatione MLA (8a ed.)

Sierp, Allan. Perspective Projection for Technical, Art, and High Schools. Sands & McDougall], 1945.