A1 (A 2012a,b; B 2012).

A1 (A 2012a,b, 2013).

A (2012a,b; 2013).

In A2 (A 2012b p. 17)

In A2 and A3 (A 2012b p. 17, 2013)

In A1 and more (A 2012a, 2012b p. 17, 2013)

B&B (A 2012a; B 2012).

Bibliography

A. One. There, 2012a.  
A. Two. Here, 2012b.   
A. Three. Where?, 2013.
B. Uno. Ici, 2012.     
