Tohutoro APA (7th ed.)
(1969). Guidelines and criteria for community water supplies in the developing countries. U.S. Dep. of Health, Education and Welfare, Publ. Health Service.
Tohutoru Kātū Chicago (17th ed.)
Guidelines and Criteria for Community Water Supplies in the Developing Countries. Rockville, Maryl: U.S. Dep. of Health, Education and Welfare, Publ. Health Service, 1969.
Tohutoro MLA (9th ed.)
Guidelines and Criteria for Community Water Supplies in the Developing Countries. U.S. Dep. of Health, Education and Welfare, Publ. Health Service, 1969.
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