APA (7e ed.) Bronvermelding

Ritchie, R. G. (1990). Engineering 2000 : Papua New Guinea: Report to the Society of Professional Engineers of PNG [on the] implementation of the professional development program for engineering graduates and human resource needs for the engineering workforce to the year 2000. Society of Professional Engineers].

Chicago (17e ed.) Bronvermelding

Ritchie, Ronald G. Engineering 2000 : Papua New Guinea: Report to the Society of Professional Engineers of PNG [on the] Implementation of the Professional Development Program for Engineering Graduates and Human Resource Needs for the Engineering Workforce to the Year 2000. [Lae: Society of Professional Engineers], 1990.

MLA (9e ed.) Bronvermelding

Ritchie, Ronald G. Engineering 2000 : Papua New Guinea: Report to the Society of Professional Engineers of PNG [on the] Implementation of the Professional Development Program for Engineering Graduates and Human Resource Needs for the Engineering Workforce to the Year 2000. Society of Professional Engineers], 1990.