Nair, S. G. C., Unnikrihnan, M., & Sheela, M. N. (1998). Tuber crops varieties released by CTCRI. CTCRI.
Chicago Style aipamenaNair, S G Comp, M. Unnikrihnan, and M N. Sheela. Tuber Crops Varieties Released by CTCRI. Thiruvanthapuram: CTCRI, 1998.
MLA aipamenaNair, S G Comp, et al. Tuber Crops Varieties Released by CTCRI. CTCRI, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.