Bleeker, P., & Healy, P. A. (1980). Analytical data of Papua New Guinea soils. Commonwealth Scientific and Industrial Research Organization, Australia.
Citace podle Chicago (17th ed.)Bleeker, P., a P. A. Healy. Analytical Data of Papua New Guinea Soils. Melbourne: Commonwealth Scientific and Industrial Research Organization, Australia, 1980.
Citace podle MLA (8th ed.)Bleeker, P., a P. A. Healy. Analytical Data of Papua New Guinea Soils. Commonwealth Scientific and Industrial Research Organization, Australia, 1980.
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