APA (7th ed.) Citation

(1968). Rydge's data trend EDP manual. Rydge Publications Pty. Ltd..

Chicago Style (17th ed.) Citation

Rydge's Data Trend EDP Manual. Sydney, N.S.W: Rydge Publications Pty. Ltd., 1968.

MLA (8th ed.) Citation

Rydge's Data Trend EDP Manual. Rydge Publications Pty. Ltd., 1968.

Warning: These citations may not always be 100% accurate.