Gaya APA
Barber, P., Robertson, D. (2009).
Essentials of Pharmacology for Nurses ed.1 (1).
England:
Open University Press.
Gaya MLA
Barber, Paul., Robertson, Deborah.
"Essentials of Pharmacology for Nurses ed.1".
1
England:
Open University Press,
2009.
Electronic Resource.