Hibberd, S. (1877). The amateur`s kitchen garden: Frame-ground and forcing pit. Groombridge Ands Sons.
Citazione stile Chigago Style (17a edizione)Hibberd, Shirley. The Amateur`s Kitchen Garden: Frame-ground and Forcing Pit. London: Groombridge Ands Sons, 1877.
Citatione MLA (9a ed.)Hibberd, Shirley. The Amateur`s Kitchen Garden: Frame-ground and Forcing Pit. Groombridge Ands Sons, 1877.
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