The companies' games are similar in style and sometimes contain references to each other.

The story contains a rare reference to the Doctor's family.

Neither work in the end contains a reference to its title.

This content may contain references to their own products or services.

The book contains many references to music, both popular and classical.

The work does contain many references to earlier periods in the history of art.

Only 200 hours of the 3500 contain references to Watergate.

The record contains several references to various pop culture items.

The serial contained many references to the history of the show.

The song contains many references to the pop culture of the time.