Gaya APA
BACH, George Leland. (1977).
Student Workbook Economics : An Introduction To Analysis And Policy (9 th.ed.).
New Jersey:
Prentice-Hall, Inc..
Gaya Chicago
BACH, George Leland.
Student Workbook Economics : An Introduction To Analysis And Policy.
9 th.ed.
New Jersey:
Prentice-Hall, Inc.,
1977.
.
Gaya MLA
BACH, George Leland.
Student Workbook Economics : An Introduction To Analysis And Policy.
9 th.ed.
New Jersey:
Prentice-Hall, Inc.,
1977.
.
Gaya Turabian
BACH, George Leland.
Student Workbook Economics : An Introduction To Analysis And Policy.
9 th.ed.
New Jersey:
Prentice-Hall, Inc.,
1977.
.