Hakutani, Y. (1972). The Syntax of Modal Constructions in English. Elsevier. https://doi.org/10.1016/0024-3841(72)90059-9
Hakutani, Yoshinobu. 1972. “The Syntax of Modal Constructions in English”. Elsevier. https://doi.org/10.1016/0024-3841(72)90059-9.
Hakutani, Y. The Syntax of Modal Constructions in English. Elsevier, 1 Jan. 1972, doi:10.1016/0024-3841(72)90059-9.