D'Sousa, S. (1974). Closed Birth Intervals: A Data Analysis Study. Sterling Publishers (P) Ltd.
Chicago Edition CitationD'Sousa, Stanislaus. Closed Birth Intervals: A Data Analysis Study. New Delhi: Sterling Publishers (P) Ltd, 1974.
Cita MLAD'Sousa, Stanislaus. Closed Birth Intervals: A Data Analysis Study. Sterling Publishers (P) Ltd, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.