Παραπομπή APA

Peano, G. (1973). Selected works of Guiseppe Peano. University of Toronto.

Παραπομπή Chicago Style

Peano, Giuseppe. Selected Works of Guiseppe Peano. Toronto: University of Toronto, 1973.

Παραπομπή MLA

Peano, Giuseppe. Selected Works of Guiseppe Peano. University of Toronto, 1973.