Παραπομπή APA

STEC. (1990). Kerala Science Congress Second, Proceedings. 23-25 February 1990.

Παραπομπή Chicago Style

STEC. Kerala Science Congress Second, Proceedings. 23-25 February 1990. Thiruvananthapuram, State Comittee on Science Technology and environment, 1990.

Παραπομπή MLA

STEC. Kerala Science Congress Second, Proceedings. 23-25 February 1990. 1990.