Heller,Robert. (1989). The unique success proposition. Sidgwick & jackson limited.
Chicago Style (17th ed.) CitationHeller,Robert. The Unique Success Proposition. London: Sidgwick & jackson limited, 1989.
MLA (9th ed.) CitationHeller,Robert. The Unique Success Proposition. Sidgwick & jackson limited, 1989.
Warning: These citations may not always be 100% accurate.