APA استشهاد

Halliwell, J. D. a. T. A. E. (1977). Course in standard coral 66. NCC.

استشهاد بنمط شيكاغو

Halliwell, J D and T A Edwards. Course in Standard Coral 66. England: NCC, 1977.

MLA استشهاد

Halliwell, J D and T A Edwards. Course in Standard Coral 66. NCC, 1977.