Analysis of information sources in references of the Wikipedia article "ธรณีกาล" in Thai language version.
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: CS1 maint: multiple names: authors list (ลิงก์) From page 373: "La troisième, qui correspond à ce qu'on a déja appelé formation de la craie, sera désigné par le nom de terrain crétacé." (The third, which corresponds to what was already called the "chalk formation", will be designated by the name "chalky terrain".){{cite book}}
: CS1 maint: unrecognized language (ลิงก์)