एपीए उद्धरण

Ruef, M., & Patterson, K. Preview credit and classification: The impact of industry boundaries in nineteenth-century America.

शिकागो स्टाइल उद्धरण

Ruef, Martin., और Kelly Patterson. Preview Credit and Classification: The Impact of Industry Boundaries in Nineteenth-century America.

एमएलए उद्धरण

Ruef, Martin., और Kelly Patterson. Preview Credit and Classification: The Impact of Industry Boundaries in Nineteenth-century America.