Gaya APA
Marshall, Alfred. (1949).
Principles of economics : an introductory volume / Alfred Marshall (Ed.8).
London:
Macmillan and co.,ltd.
Gaya Chicago
Marshall, Alfred.
Principles of economics : an introductory volume / Alfred Marshall.
Ed.8
London:
Macmillan and co.,ltd,
1949.
Textbook.
Gaya MLA
Marshall, Alfred.
Principles of economics : an introductory volume / Alfred Marshall.
Ed.8
London:
Macmillan and co.,ltd,
1949.
Textbook.
Gaya Turabian
Marshall, Alfred.
Principles of economics : an introductory volume / Alfred Marshall.
Ed.8
London:
Macmillan and co.,ltd,
1949.
Textbook.