Gaya APA
Schweingruber, F, H., Börner, A. (2018).
The plant stem :a microscopic aspect .
Cham, Switzerland:
Springer Open.
Gaya MLA
Schweingruber, Fritz, H.., Börner, Annett.
"The plant stem :a microscopic aspect".
Cham, Switzerland:
Springer Open,
2018.
Electronic Resource.