Bibl. p. 291.
Bibl. p.387-388.
Bibl. p. 269-270.
J. asli: Managerial finance, 8th edition Jilid II
Jilid 1 dan jilid 2 Judul asli : Introduction to business
J. asli:Successful small business management.
Judul asli : Accounting: an international perspective