„Population clock“. Australian Bureau of Statistics website. Commonwealth of Australia. Qaraldi: 2011-yil 12-aprel. The population estimate shown is automatically calculated daily at 00:00 UTC and is based on data obtained from the population clock on the date shown in the citation.
Deaton, Angus. The Great Escape. Health, wealth, and the origins of inequality. Princeton and Oxford: Princeton University Press, 2013 — 91–93-bet. ISBN 978-0-691-15354-4. „McKeown's views, updated to modern circumstances, are still important today in debates between those who think that health is primarily determined by medical discoveries and medical treatment and those who look to the background social conditions of life.“
"Medical evidence related to English population changes in the eighteenth century". Population Studies9 (2): 119–141. 1955. doi:10.1080/00324728.1955.10404688.
"Reasons for the Decline of Mortality in England and Wales during the Nineteenth Century". Population Studies16 (2): 94–122. 1962. doi:10.2307/2173119.
"An Interpretation of the Decline of Mortality in England and Wales during the Twentieth Century". Population Studies29 (3): 391–422. 1975. doi:10.1080/00324728.1975.10412707. PMID11630508.
"An Interpretation of the Decline of Mortality in England and Wales during the Twentieth Century". Population Studies29 (3): 391–422. 1975. doi:10.1080/00324728.1975.10412707. PMID11630508.
„World Population Prospects: The 2008 Revision: Selected Tables: Annex Tables“. United Nations (2009). Qaraldi: 2009-yil 12-mart. NB: The preliminary results of the National population census in Guinea-Bissau put the figure at 1,449,230, according to email information by the Instituto Nacional de Estudos e Pesquisa, Bissau.
United Nations Environment Programme (2021). Making Peace with Nature: A scientific blueprint to tackle the climate, biodiversity and pollution emergencies. Nairobi. https://www.unep.org/resources/making-peace-nature