Stone, Richard
The modern law of contract
Cavandish , 2003
 Buku Teks
The modern contract of guarantee / James O'Donovan
James O'Donovan
Sweet & Maxwell, 2003
 Buku Teks
Stone, Richard
Principles of Contract Law
Cavendish Publishing Limited, 2000
 Buku Teks
Aripin
Aspek hukum bank garansi sebagai jaminan pelaksaaan dalam kontrak pembangunan pembangkit listrik tenaga uap di PT PLN (Persero) = Legal aspects of bank guarantee as a performance guarantee in the coal fire steam power plant construction contract at PT PLN (Persero)
Fakultas Hukum Universitas Indonesia, 2017
 UI - Tesis Membership
Elliot, Catherine
Contract law
Longman , 2001
 Buku Teks