Ad coelum ad internos or Ad column ad inferos?

In discussing the restriction on surface right on a parcel of land Paras has this to say on Page 194, Vol. II, 2008 Edition, of the New Civil Code of the Philippines Annotated:

 

 

De Leon on the other hand, on page 126 of the book Comments and Cases on Property, 2006 Edition, states thus:

 



Take note that they are quoting from the same source.

Here's how the Wikipedia words it: Cuius est solum, eius est usque ad coelom et ad inferos.

It seems both are half-right. Or half-wrong?