APA-viite (7. p.)
Malthus, T. R. (1970). AN ESSAY ON THE PRINCIPLE OF POPULATION AND A SUMMARY VIEW OF THE PRINCIPLE OF POPULATION.
Chicago-viite (17. p.)
Malthus, Thomas Robert. AN ESSAY ON THE PRINCIPLE OF POPULATION AND A SUMMARY VIEW OF THE PRINCIPLE OF POPULATION. 1970.
MLA-viite (9. p.)
Malthus, Thomas Robert. AN ESSAY ON THE PRINCIPLE OF POPULATION AND A SUMMARY VIEW OF THE PRINCIPLE OF POPULATION. 1970.
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