Gaya APA
Timothy R. Covington, Pharm. (1993).
Handbook of Nonprescription Drugs (10).
America:
Apha Publication.
Gaya Chicago
Timothy R. Covington, Pharm.
Handbook of Nonprescription Drugs.
10
America:
Apha Publication,
1993.
Text.
Gaya MLA
Timothy R. Covington, Pharm.
Handbook of Nonprescription Drugs.
10
America:
Apha Publication,
1993.
Text.
Gaya Turabian
Timothy R. Covington, Pharm.
Handbook of Nonprescription Drugs.
10
America:
Apha Publication,
1993.
Print.