@inbook{820b96e810c24329a11a5aa628f14ce5,
title = "Modal and semi-modal verbs of obligation in the Australian, New Zealand and British Hansard: 1901-2015",
author = "Adam Smith and Minna Korhonen and Haidee Kotze and \{Van Rooy\}, Bertus",
year = "2021",
month = aug,
language = "English",
isbn = "9781474462853",
pages = "301--323",
editor = "Pam Peters and Kate Burridge",
booktitle = "Exploring the Ecology of World Englishes in the Twenty-first Century",
publisher = "Edinburgh University Press",
address = "United Kingdom",
}