Gaya APA

Kalathil, J. (1968). Socio-cultural aspects of fertility in India and their conformity with periodeic continence. Disertasi Angelicum. . Alleppey: tp.

Gaya MLA

Kalathil, John.. "Socio-cultural aspects of fertility in India and their conformity with periodeic continence. Disertasi Angelicum. ". Alleppey: tp, 1968. Buku.