Παραπομπή APA

(1990). Rice varietal improvement in Korea. [Korea]: Crop Experiment Station Rural Development Administration.

Παραπομπή Chicago Style

Rice Varietal Improvement in Korea. [Korea]: Crop Experiment Station Rural Development Administration, 1990.

Παραπομπή MLA

Rice Varietal Improvement in Korea. [Korea]: Crop Experiment Station Rural Development Administration, 1990.

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