APA-viite (7. p.)

HUGHES, R. (2013). GPST Stage 3: Written and simulation exercises. JP Medical Publishers.

Chicago-viite (17. p.)

HUGHES, Richard. GPST Stage 3: Written and Simulation Exercises. JP Medical Publishers, 2013.

MLA-viite (9. p.)

HUGHES, Richard. GPST Stage 3: Written and Simulation Exercises. JP Medical Publishers, 2013.

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