Gaya APA
Blas, H, J., Sandhaas, C. (2017).
E-book Timber Engineering : Principles for Design .
Germany:
KIT Scientific Publishing.
Gaya MLA
Blas, Hans, Joachim., Sandhaas, Carmen.
"E-book Timber Engineering : Principles for Design".
Germany:
KIT Scientific Publishing,
2017.
Text.