एपीए उद्धरण

Parsons Keith. (2006). Copernican Questions: A Concise Invitation to the Philosophy of Science. Americas: MC Graw Hill.

शिकागो स्टाइल उद्धरण

Parsons Keith. Copernican Questions: A Concise Invitation to the Philosophy of Science. Americas: MC Graw Hill, 2006.

एमएलए उद्धरण

Parsons Keith. Copernican Questions: A Concise Invitation to the Philosophy of Science. Americas: MC Graw Hill, 2006.