Lucas, :. D., & Kane, P. (1985). Asking demographic questions: David Lucas; with Penny Kane. Development Studies Centre.
Chicago-viite (17. p.)Lucas, : David, ja Penny Kane. Asking Demographic Questions: David Lucas; with Penny Kane. Canberra: Development Studies Centre, 1985.
MLA-viite (9. p.)Lucas, : David, ja Penny Kane. Asking Demographic Questions: David Lucas; with Penny Kane. Development Studies Centre, 1985.
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