APA (7 वां संस्करण) प्रशस्ति पत्र

GREENE MELVYN. (1984). IMPROVING RESULTS BUSINESS FROM BUSINESS ENTERTAINING.HOW TO GET WHAT YOU WANT OVER LUNCH. KOGAN PAGE.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

GREENE MELVYN. IMPROVING RESULTS BUSINESS FROM BUSINESS ENTERTAINING.HOW TO GET WHAT YOU WANT OVER LUNCH. LONDON: KOGAN PAGE, 1984.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

GREENE MELVYN. IMPROVING RESULTS BUSINESS FROM BUSINESS ENTERTAINING.HOW TO GET WHAT YOU WANT OVER LUNCH. KOGAN PAGE, 1984.