Gaya APA

Soulsby, S, M, A, J. (2006). Businnes Law-Hukum Perjanjian (Cet. 3). Solo: Alumni 2.

Gaya MLA

Soulsby, S.B., Marsh, And, J.. "Businnes Law-Hukum Perjanjian". Cet. 3 Solo: Alumni 2, 2006. Buku Teks.