एपीए उद्धरण

Arkowitz, M. (2011). Introduction to homotopy theory. Springer.

शिकागो स्टाइल उद्धरण

Arkowitz, Martin. Introduction to Homotopy Theory. New York: Springer, 2011.

एमएलए उद्धरण

Arkowitz, Martin. Introduction to Homotopy Theory. Springer, 2011.