Philippine Virginia Tobacco Administration, University of the Philippines, Los Banos College of Agriculture, & UPCA-PVTA Research and Training Program. (1975). Three years of cooperative research on Philippine Virginia Tobacco: A terminal report. s.n.].
Citace podle Chicago (17th ed.)Philippine Virginia Tobacco Administration, Los Banos College of Agriculture University of the Philippines, a UPCA-PVTA Research and Training Program. Three Years of Cooperative Research on Philippine Virginia Tobacco: A Terminal Report. [S.l: s.n.], 1975.
Citace podle MLA (9th ed.)Philippine Virginia Tobacco Administration, et al. Three Years of Cooperative Research on Philippine Virginia Tobacco: A Terminal Report. s.n.], 1975.
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