el de

= that in, that of

Ex. The style of recording instructions for references differs from that in Sears', and can at first seem strange, but instructions are clear.

Ex. An abstract is a concise and accurate representation of the contents of a document, in a style similar to that of the original document.

* * *

= that in, that of

Ex: The style of recording instructions for references differs from that in Sears', and can at first seem strange, but instructions are clear.

Ex: An abstract is a concise and accurate representation of the contents of a document, in a style similar to that of the original document.