Παραπομπή APA

Hatfield, R. C. (1952). Applied microbiology. N P Publications.

Παραπομπή Chicago Style

Hatfield, Rufur Clay. Applied Microbiology. California: N P Publications, 1952.

Παραπομπή MLA

Hatfield, Rufur Clay. Applied Microbiology. N P Publications, 1952.