Cita APA (7th ed.)

Murray, D. (1973). Introduction course in Dtlerentiral eguation (1st.). Longman.

Cita Chicago (17th ed.)

Murray, Daniel. Introduction Course in Dtlerentiral Eguation. 1st. Calcutta: Longman, 1973.

Cita MLA (9th ed.)

Murray, Daniel. Introduction Course in Dtlerentiral Eguation. 1st. Longman, 1973.