APA-viite (7. p.)

E, L. A. K. a. G. C. (1975). STUDY GUIDE TO ACCOMPANY INTRODUCTION TO BUSINESS ENTERPRISE. McGraw-Hill.

Chicago-viite (17. p.)

E, Lymm A. Keith and Gubellini Carlo. STUDY GUIDE TO ACCOMPANY INTRODUCTION TO BUSINESS ENTERPRISE. McGraw-Hill, 1975.

MLA-viite (8. p.)

E, Lymm A. Keith and Gubellini Carlo. STUDY GUIDE TO ACCOMPANY INTRODUCTION TO BUSINESS ENTERPRISE. McGraw-Hill, 1975.