Dyfyniad APA

JOHANSSON, P. a. . L. (1985). ECONOMICS OF FORESTRY AND NATURAL RESOURCES. BASIL BLACKWELL.

Dyfyniad Arddull Chicago

JOHANSSON, Per-Olov and LOFGREN. ECONOMICS OF FORESTRY AND NATURAL RESOURCES. NEW YORK: BASIL BLACKWELL, 1985.

Dyfyniad MLA

JOHANSSON, Per-Olov and LOFGREN. ECONOMICS OF FORESTRY AND NATURAL RESOURCES. BASIL BLACKWELL, 1985.

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