This book is an in-depth study of the voice systems of Totoli, Balinese, Indonesian, and Tagalog, which shows that the symmetrical nature of these systems poses a problem to current linking theories. It provides an analysis of symmetrical linking within two grammatical theories (LFG & RRG) and develops a modified LFG linking mechanism that sheds light on the differences as well as the similarities of symmetrical and asymmetrical voice systems.