- Buku AudioThe Negotiation Mastery BundleMichael Wheeler
- Buku AudioThe Critical MomentsMichael Wheeler
- Buku AudioWhen to Say YesMichael Wheeler
- Buku AudioThe Art of NegotiationMichael Wheeler
- Buku AudioNegotiation OpeningsMichael Wheeler
- Buku AudioPreparing to NegotiateMichael Wheeler
- Buku AudioQuantum NegotiationKaren S. Walch