APA

Sheahan D. F., Johnson R. A., . (1977). Modern cristal & mechanical filters. : The Institute of Electrical and Electronics Engineers.

Chicago

Sheahan Desmond F, Johnson Robert A, . 1977. Modern cristal & mechanical filters. : The Institute of Electrical and Electronics Engineers.

Harvard

Sheahan D. F., Johnson R. A., . (1977). Modern cristal & mechanical filters. : The Institute of Electrical and Electronics Engineers.

MLA

Sheahan Desmond F, Johnson Robert A, . Modern cristal & mechanical filters. : The Institute of Electrical and Electronics Engineers. 1977.