* Heckel, Waldemar. ''The Wars of Alexander the Great, 336-323'' (2003) [http://www.questia.com/read/108332151?title=The%20Wars%20of%20Alexander%20the%20Great%2c%20336-323%20B.C online edition] | * Heckel, Waldemar. ''The Wars of Alexander the Great, 336-323'' (2003) [http://www.questia.com/read/108332151?title=The%20Wars%20of%20Alexander%20the%20Great%2c%20336-323%20B.C online edition] |