Gaya APA
Clark, Colin. (1970).
The economics of irrigation (2nd ed).
London:
Pergamon Press.
Gaya Chicago
Clark, Colin.
The economics of irrigation.
2nd ed
London:
Pergamon Press,
1970.
Text.
Gaya MLA
Clark, Colin.
The economics of irrigation.
2nd ed
London:
Pergamon Press,
1970.
Text.
Gaya Turabian
Clark, Colin.
The economics of irrigation.
2nd ed
London:
Pergamon Press,
1970.
Print.