APA (7e ed.) Bronvermelding

Duff, B. (1986). Changes in small-farm threshing technology in Thailand and the Philippines. International Rice Research Institute.

Chicago (17e ed.) Bronvermelding

Duff, B. Changes in Small-farm Threshing Technology in Thailand and the Philippines. Manila: International Rice Research Institute, 1986.

MLA (9e ed.) Bronvermelding

Duff, B. Changes in Small-farm Threshing Technology in Thailand and the Philippines. International Rice Research Institute, 1986.