Author (no date) Title...
Chalkbored (no date) Naming compounds with functional groups. Available at: https://chalkbored.com/lessons/chemistry-12/study-note-3-33.pdf (Accessed: 28 May 2021).
Title (Year) ...
The Economist (2014) ‘Corporate transparency: the openness revolution’, 413(8917), pp. 69-70.
Letters a, b, etc. after the year.
International Crisis Group (2014a) Afghanistan’s political transition. Available at: https://www.crisisgroup.org/en/regions/asia/south-asia/afghanistan/260-afghanistan-s-political-transition.aspx (Accessed: 17 December 2014).
International Crisis Group (2014b) Resetting Pakistan’s relations with Afghanistan . Available at: https://www.crisisgroup.org/en/regions/asia/south-asia/pakistan/262-resetting-pakistan-s-relations-with-afghanistan.aspx (Accessed: 17 December 2014).