Gaya APA

BOS, L. (1978). SYMPTOMS OF VIRUS DISEASES IN PLANTS THIRD EDITION (REVISED) . United States of America: OXFORD & IBH UBLISHING CO..

Gaya MLA

BOS, L.. "SYMPTOMS OF VIRUS DISEASES IN PLANTS THIRD EDITION (REVISED)". United States of America: OXFORD & IBH UBLISHING CO., 1978. Text.