Gaya APA
1951, H., B. et al. (1992).
Introductory economics / Barry Harrison, Charles Smith, Brinley, Davies .
:
Macmillan.
Gaya MLA
Harrison, Barry,, 1951. et al.
"Introductory economics / Barry Harrison, Charles Smith, Brinley, Davies".
:
Macmillan,
1992.
Textbook.