Παραπομπή APA

Williams, O., & ...[et al.]. Laboratory exercises for biological science. Lea $febiger.

Παραπομπή Chicago Style

Williams, Olwen, και ...[et al.]. Laboratory Exercises for Biological Science. Phlioadelphia: Lea $febiger.

Παραπομπή MLA

Williams, Olwen, και ...[et al.]. Laboratory Exercises for Biological Science. Lea $febiger.