APA Style
Gallagher, R., INGRAM, P. (2015).
Complete Chemistry for Cambridge IGCSE Third Edition : teacher resource pack .
United Kingdom:
Oxford University Press.
MLA Style
Gallagher, Rosemarie., INGRAM, Paul.
"Complete Chemistry for Cambridge IGCSE Third Edition : teacher resource pack".
United Kingdom:
Oxford University Press,
2015.
Text.