Many Bible editions include related verse cross references, which is separate from the translator's footnotes, such as this edition of the Christian Standard Bible (CSB) Bible (see excerpt here for example). In that CSB edition, the related verse cross references placed between the two columns while the translator footnotes are on the bottom:
But some CSB editions only include the translator's footnotes, such as the CSB Single-Column Wide-Margin edition (see excerpt here).
There is an answer for a similar question for NIV. Do the CSB Bibles which include verse cross reference uses the same system as the NIV, or a different system? If different, which scholars developed the CSB cross reference feature?