APA ציטוט

Nowell, D., & Hills, D. (1989). HERTZIAN CONTACT OF GROUND SURFACES.

Chicago Style (17th ed.) Citation

Nowell, D., and D. Hills. HERTZIAN CONTACT OF GROUND SURFACES. 1989.

ציטוט MLA

Nowell, D., and D. Hills. HERTZIAN CONTACT OF GROUND SURFACES. 1989.