(1985). Germination needs of common perennial seed / Mildred M. Pinnell, Allan M. Armitage, Diane Seaborn.
Čikaški stil citiranja (17. izdanje)Germination Needs of Common Perennial Seed / Mildred M. Pinnell, Allan M. Armitage, Diane Seaborn. 1985.
MLA način citiranja (9. izdanje)Germination Needs of Common Perennial Seed / Mildred M. Pinnell, Allan M. Armitage, Diane Seaborn. 1985.
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