Gaya APA
Kesehatan, I., K., R., D., B., U. et al. (1993).
Principles of Biostatistics .
California:
Wadsworth Publishing Company.
Gaya MLA
Kesehatan, I., K., R., D., B., U. et al..
Principles of Biostatistics.
California:
Wadsworth Publishing Company,
1993.
Text.