你好~
due to在朗文字典是归属于介系词
https://www.ldoceonline.com/dictionary/due-to
网址如上，
例句：
She has been absent from work due to illness.
The restaurant’s success was due largely to its new manager.
所以，事实上你说的用法与书上的用法都是可以的。
另外表介系词的词组，相似的有：
because of , as a result of , owing to, by virtue of等等。
提供你参考。
※ 引述《deron3 (无敌铁金刚明)》之铭言：
: 130. This season’s sales have expanded (due to) the newly appointed marketing
: manager’s ingenious advertising strategies.
: 136. This warranty does not apply to any problems the customers may encounter
: (due to) abuse.
: 这两题给的答案都是due to
: 但是文法没问题吗？
: 从网络上找到关于due to的用法
: 它的前面不会是完整的主词+动词形成的句子
: 正确的例句像是 The crisis is due to poor organization.
: 大家对此有没有什么想法呢？