Pennsylvania Horticultural Society. Yearbook of the Pennsylvania Horticultural Society. Pennsylvania Horticultural Society.
Citace podle Chicago (17th ed.)Pennsylvania Horticultural Society. Yearbook of the Pennsylvania Horticultural Society. Philadelphia, Pa.: Pennsylvania Horticultural Society.
Citace podle MLA (8th ed.)Pennsylvania Horticultural Society. Yearbook of the Pennsylvania Horticultural Society. Pennsylvania Horticultural Society.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..