Analysis of information sources in references of the Wikipedia article "Zhongyuan" in English language version.
{{cite journal}}
: |volume=
has extra text (help){{cite journal}}
: |volume=
has extra text (help){{cite journal}}
: |volume=
has extra text (help){{cite book}}
: CS1 maint: multiple names: authors list (link){{cite book}}
: CS1 maint: location missing publisher (link)