APA

ray m., . (1994). a text book on statics. new delhi: s.chand and co.

Chicago

ray m, . 1994. a text book on statics. new delhi: s.chand and co.

Harvard

ray m., . (1994). a text book on statics. new delhi: s.chand and co.

MLA

ray m, . a text book on statics. new delhi: s.chand and co. 1994.