Mo. Rev. Stat. § 1.016: Secondary sources do not constitute law or public policy, when.

A secondary source, including a legal treatise, scholarly publication, textbook, or other explanatory text, does not constitute the law or public policy of this state to the extent its adoption would create, eliminate, expand, or restrict a cause of action, right, or remedy, or to the extent it is inconsistent with, or in conflict with, or otherwise not addressed by, Missouri statutory law or Missouri appellate case law precedent.