APA引文

Singh,S J. (1994). Betelvine cultivation in India. Directorate of extension Ministry of agriculture.

Chicago Edition Citation

Singh,S J. Betelvine Cultivation in India. New Delhi: Directorate of extension Ministry of agriculture, 1994.

MLA引文

Singh,S J. Betelvine Cultivation in India. Directorate of extension Ministry of agriculture, 1994.

警告：這些引文格式不一定是100％准確.