Complex sentence: However, particularly if a source was obtained through Google Books, or if it is an electronic book, sometimes page numbers are not included in the source, such as a chapter can be used to help a reader locate the information in the cited source.
Split into simpler sentences: However, particularly if a source was obtained through Google Books, or if it is an electronic book, sometimes page numbers are not included in the source. In such a case, a chapter can be reported to help a reader locate the information in the cited source.