Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Spennemann, D. H. R. (1987). The development of the Ha'amonga Trilithon Historic Park: The Ha'amonga Historical Trail. Ministry of Lands, Survey and Natural Resources.

Chicago Citation Edition Citation

Spennemann, Dirk H. R. The Development of the Ha'amonga Trilithon Historic Park: The Ha'amonga Historical Trail. Nuku'alofa: Ministry of Lands, Survey and Natural Resources, 1987.

MLA Citation Edition Citation

Spennemann, Dirk H. R. The Development of the Ha'amonga Trilithon Historic Park: The Ha'amonga Historical Trail. Ministry of Lands, Survey and Natural Resources, 1987.