APA
INDIAN STATISTICAL INSTITUTE, INDIAN STATISTICAL INSTITUTE, . (1990). Fifteenth annual report,1989-1990. Calcutta: Troika press.
Chicago
INDIAN STATISTICAL INSTITUTE, INDIAN STATISTICAL INSTITUTE, . 1990. Fifteenth annual report,1989-1990. Calcutta: Troika press.
Harvard
INDIAN STATISTICAL INSTITUTE, INDIAN STATISTICAL INSTITUTE, . (1990). Fifteenth annual report,1989-1990. Calcutta: Troika press.
MLA
INDIAN STATISTICAL INSTITUTE, INDIAN STATISTICAL INSTITUTE, . Fifteenth annual report,1989-1990. Calcutta: Troika press. 1990.
