Παραπομπή APA

David W Doolan. (1999). FAO plant production and protection paper N.155: Vegetable seedling production manual. Rome: FAO.

Παραπομπή Chicago Style

David W Doolan. FAO Plant Production and Protection Paper N.155: Vegetable Seedling Production Manual. Rome: FAO, 1999.

Παραπομπή MLA

David W Doolan. FAO Plant Production and Protection Paper N.155: Vegetable Seedling Production Manual. Rome: FAO, 1999.

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