Lua APA (7ú heag.)

Höhn, C. (1999). "Advising policy-makers in population matters".

Lua i Stíl Chicago (17ú heag.)

Höhn, Charlotte. "Advising Policy-makers in Population Matters". Wiesbaden, 1999.

Lua MLA (8ú heag.)

Höhn, Charlotte. "Advising Policy-makers in Population Matters". 1999.

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