Gaya APA

Krogerus, M., Tschappeler, R. (). The Get ThingsDone Book : 41 Tools to Start, Stick With and Finish Things . : .

Gaya MLA

Krogerus, Mikael., Tschappeler, Roman. "The Get ThingsDone Book : 41 Tools to Start, Stick With and Finish Things". : , . Text.