Stone, Richard
Text, Cases and Materials on Contract Law
Routledge, 2017
 Buku Teks
McKendrick, Ewan
Contract law text, cases and materials
Oxford University Press, 2012
 Buku Teks
Schlesinger, Rudolf B.
Comparative law cases-text-materials
Stevens & Sons, 1960
 Buku Klasik
Schlesinger, Rudolf B.
Comparative law : cases text materials
Foundation Press, 1959
 Buku Klasik
Camparative law : cases-text-materials
edited by Rudolf Schlesinger
Foundation Press, 1959
 Buku Teks SO