Gaya APA
Hill, D. S., Waller, J. M.. (1982).
Pests and diseases of tropical crops .
Burnt Mill, Harlow:
Longman Group Limited.
Gaya Chicago
Hill, D. S., Waller, J. M..
Pests and diseases of tropical crops.
Burnt Mill, Harlow:
Longman Group Limited,
1982.
Text.
Gaya MLA
Hill, D. S., Waller, J. M..
Pests and diseases of tropical crops.
Burnt Mill, Harlow:
Longman Group Limited,
1982.
Text.
Gaya Turabian
Hill, D. S., Waller, J. M..
Pests and diseases of tropical crops.
Burnt Mill, Harlow:
Longman Group Limited,
1982.
Print.