Gaya APA
ROBERTSON, Dennis. (1969).
Lectures on economic principles .
London:
Lowe & Brydone.
Gaya Chicago
ROBERTSON, Dennis.
Lectures on economic principles.
London:
Lowe & Brydone,
1969.
Textbook.
Gaya MLA
ROBERTSON, Dennis.
Lectures on economic principles.
London:
Lowe & Brydone,
1969.
Textbook.
Gaya Turabian
ROBERTSON, Dennis.
Lectures on economic principles.
London:
Lowe & Brydone,
1969.
Textbook.