Gaya APA

Musselman, V, A., Hughes, E, H. (1981). Introduction to Modern Business Issues and Environment (Edisi 8). U.S.A: Englewoods Cliff : Prentice-Hall, Inc.,.

Gaya MLA

Musselman, Vernon, A.., Hughes, Eugene, H.. "Introduction to Modern Business Issues and Environment". Edisi 8 U.S.A: Englewoods Cliff : Prentice-Hall, Inc.,, 1981. Text.