Rules for Drawing Style 1 Symbols: PNP Transistor (Example of a three-element device) - Construction of symbol by successively using symbols  8.2.1, 8.2.4.1, 8.and 2.5.
This file was derived from:
 IEEE 315-1975 (1993) 8.2.1.svg
IEEE 315-1975 (1993) 8.2.4.1.svg
IEEE 315-1975 (1993) 8.2.5.svg
(in English) (1993)  315-1975 - IEEE Standard American National Standard Canadian Standard Graphic Symbols for Electrical and Electronics Diagrams (Including Reference Designation Letters), IEEE, p. 117  DOI:  10.1109/IEEESTD.1993.93397. ISBN:  0738109479.
Michel Bakni