APA (7 वां संस्करण) प्रशस्ति पत्र

LEWIN ROGER. (1999). SOUL AT WORK: UNLEASHING THE POWER OF COMPLEXITY SCIENCE FOR BUSINESS SUCCESS. ORION PUBLISHERS.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

LEWIN ROGER. SOUL AT WORK: UNLEASHING THE POWER OF COMPLEXITY SCIENCE FOR BUSINESS SUCCESS. LONDON: ORION PUBLISHERS, 1999.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

LEWIN ROGER. SOUL AT WORK: UNLEASHING THE POWER OF COMPLEXITY SCIENCE FOR BUSINESS SUCCESS. ORION PUBLISHERS, 1999.