Goody, Esther N
Question and politeness
Cambridge University Press, 1978
Buku Teks
Foley, Gerald
The energy question
Penguin Books, 1976
Buku Teks
The Sino-Indian boundary question
Foreign languages press, 1962
Buku Teks
The Question of Portugeuse Timor
Dept. of Information, 1975
Buku Teks
Cook, Ramsay
Canada and the French-Canadia question
MacMillan of Canada, 1966
Buku Teks