Gaya APA
Barber, P., Robertson, D. (2020).
Essentials of Pharmacology for Nurses ed.4 (4).
England:
Open University Press.
Gaya MLA
Barber, Paul., Robertson, Deborah.
"Essentials of Pharmacology for Nurses ed.4".
4
England:
Open University Press,
2020.
Electronic Resource.