Gaya APA
Schweingruber, F, H., B, A. (2018).
The Plant Stem (1st ed. 2018).
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Springer International Publishing.
Gaya MLA
Schweingruber, Fritz, H.., B, Annett.
"The Plant Stem".
1st ed. 2018
:
Springer International Publishing,
2018.
Electronic Resource.