Haspelmath, Martin. 2011. On S, A, P, T, and R as comparative concepts for alignment typology. Linguistic Typology 15(3). 535–567.
@article{haspelmath_s_2011,
author = {Haspelmath, Martin},
journal = {Linguistic Typology},
number = {3},
pages = {535–567},
title = {On S, A, P, T, and R as comparative concepts for alignment typology},
volume = {15},
year = {2011}
}