एपीए उद्धरण

Ludwig, B., & H. Charles, N. (2025). The PDMA Handbook of Innovation and new Product Development (4th Edition). Published simultaneously in Canada.

शिकागो स्टाइल उद्धरण

Ludwig, Bstieler, और Noble H. Charles. The PDMA Handbook of Innovation and New Product Development (4th Edition). Published simultaneously in Canada, 2025.

एमएलए उद्धरण

Ludwig, Bstieler, और Noble H. Charles. The PDMA Handbook of Innovation and New Product Development (4th Edition). Published simultaneously in Canada, 2025.