Παραπομπή APA

Purcal, J. T. (1971). Rice economy. Univcersity of Malasia.

Παραπομπή Chicago Style

Purcal, J T. Rice Economy. Malasia: Univcersity of Malasia, 1971.

Παραπομπή MLA

Purcal, J T. Rice Economy. Univcersity of Malasia, 1971.