public function references(array $reference = null)
    {
        if (! isset($this->data->references)) {
            $this->data->references = [];
        }

        return $this->data->contacts[] = (object) $reference;
    }
public function references(array $reference = null)
    {
        if (! isset($this->data->references)) {
            $this->data->references = [];
        }

        return $this->data->contacts[] = (object) $reference;
    }
public function references ( array $ reference = null ) { if ( ! isset ( $ this -> data -> references ) ) { $ this -> data -> references = [ ] ; } return $ this -> data -> contacts [ ] = ( object ) $ reference ; }
Put a commercial reference on person data

@param array $reference
@return object
Put a commercial reference on person data