Dyfyniad APA

COPR. (1972). Centre for Overseas pest Research: Report 1971- 1972. Centre for Overseas Pest Research.

Dyfyniad Arddull Chicago

COPR. Centre for Overseas Pest Research: Report 1971- 1972. London: Centre for Overseas Pest Research, 1972.

Dyfyniad MLA

COPR. Centre for Overseas Pest Research: Report 1971- 1972. Centre for Overseas Pest Research, 1972.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.