奇安信威胁情报中心. (2019). 透视APT: Advanced persistent threat cyberspace. 电子工业出版社.
Dyfyniad Arddull Chicago奇安信威胁情报中心. 透视APT: Advanced Persistent Threat Cyberspace. 电子工业出版社, 2019.
Dyfyniad MLA奇安信威胁情报中心. 透视APT: Advanced Persistent Threat Cyberspace. 电子工业出版社, 2019.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.