Παραπομπή APA

(1969). Proceeding ...Nineteeth National Potato Utilization Conference. USA: Agricultural Research service - United States Department of Agriculture.

Παραπομπή Chicago Style

Proceeding ...Nineteeth National Potato Utilization Conference. USA: Agricultural Research service - United States Department of Agriculture, 1969.

Παραπομπή MLA

Proceeding ...Nineteeth National Potato Utilization Conference. USA: Agricultural Research service - United States Department of Agriculture, 1969.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.