Citazione Stile APA (7a Edizione)

Johnston, S. T. (2010). History in close-up ([Northern Ireland], first edition, [revised curriculum].). Colourpoint Educational.

Citazione stile Chigago Style (17a edizione)

Johnston, Sheila Turner. History in Close-up. [Northern Ireland], first edition, [revised curriculum]. Newtownards, County Down, Northern Ireland: Colourpoint Educational, 2010.

Citatione MLA (9a ed.)

Johnston, Sheila Turner. History in Close-up. [Northern Ireland], first edition, [revised curriculum]. Colourpoint Educational, 2010.