CENTRE, I. D. R. Evaluation improvement and demonstration of manual soybean seeder. IDRC.
Chicago Style (17th ed.) CitationCENTRE, INTERNATIONAL DEVELOPMENT RESEARCH. Evaluation Improvement and Demonstration of Manual Soybean Seeder. IDRC.
MLA引文CENTRE, INTERNATIONAL DEVELOPMENT RESEARCH. Evaluation Improvement and Demonstration of Manual Soybean Seeder. IDRC.
警告：這些引文格式不一定是100％准確.