Smith, M., Bayne, D., & Pickard, J. [ca. 2025]. Cisco Certified Support Technician (CCST) : IT Support 100-140 official cert guide ([First edition]) [Cd]. Hoboken, New Jersey: Cisco Press.

SMITH, Mark, BAYNE, David and PICKARD, John, 2025. Cisco Certified Support Technician (CCST) : IT Support 100-140 official cert guide. [First edition]. Hoboken, New Jersey: Cisco Press.

Smith, M., D. Bayne, and J. Pickard. Cisco Certified Support Technician (CCST) : IT Support 100-140 official cert guide. [First edition], cd, Cisco Press, 2025.

Smith, Mark/Bayne, David/Pickard, John: Cisco Certified Support Technician (CCST) : IT Support 100-140 official cert guide, [First edition]. ed. Hoboken, New Jersey 2025.

Smith, M., Bayne, D. and Pickard, J. (2025), Cisco Certified Support Technician (CCST) : IT Support 100-140 official cert guide, [First edition]., Vol. , Cisco Press, Hoboken, New Jersey.