APA (7e ed.) Bronvermelding

Spiegel, J. (1994). Manager's official guide to team working. Pfeiffer & Co.

Chicago (17e ed.) Bronvermelding

Spiegel, Jerry. Manager's Official Guide to Team Working. Amsterdam: Pfeiffer & Co, 1994.

MLA (9e ed.) Bronvermelding

Spiegel, Jerry. Manager's Official Guide to Team Working. Pfeiffer & Co, 1994.