Mathews, A. (2015). How life works. Embassy Book.
Chicago-čujuhus (17. p.)Mathews, Andrew. How Life Works. Mumbai: Embassy Book, 2015.
MLA-čujuhus (9. p.)Mathews, Andrew. How Life Works. Embassy Book, 2015.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.