APA (7e ed.) Bronvermelding

(2004). Journeys fron the center of the earth: Six guided tours through Mediterranean history : risky rocks. BBC Worldwide.

Chicago (17e ed.) Bronvermelding

Journeys Fron the Center of the Earth: Six Guided Tours Through Mediterranean History : Risky Rocks. Australia: BBC Worldwide, 2004.

MLA (8e ed.) Bronvermelding

Journeys Fron the Center of the Earth: Six Guided Tours Through Mediterranean History : Risky Rocks. BBC Worldwide, 2004.

Let op: Deze citaties zijn niet altijd 100% accuraat.