APA aipamena

Speck, T., & Burgert, I. Plant stems: Functional design and mechanics.

Chicago Style aipamena

Speck, Thomas., và Ingo Burgert. Plant Stems: Functional Design and Mechanics.

MLA aipamena

Speck, Thomas., và Ingo Burgert. Plant Stems: Functional Design and Mechanics.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.