एपीए उद्धरण

Khader, F. A. (2009). The touchstone effect: The impact of pre-grant opposition on patents. LexisNexis Butterworths Wadhwa.

शिकागो स्टाइल उद्धरण

Khader, Feroz Ali. The Touchstone Effect: The Impact of Pre-grant Opposition on Patents. Nagpur: LexisNexis Butterworths Wadhwa, 2009.

एमएलए उद्धरण

Khader, Feroz Ali. The Touchstone Effect: The Impact of Pre-grant Opposition on Patents. LexisNexis Butterworths Wadhwa, 2009.