Lavalin International Inc. (1988). Land resources and land use planning: Final report : regional development planning for Irian Jaya. Lavalin International.
Chicago-viite (17. p.)Lavalin International Inc. Land Resources and Land Use Planning: Final Report : Regional Development Planning for Irian Jaya. [Jakarta]: Lavalin International, 1988.
MLA-viite (8. p.)Lavalin International Inc. Land Resources and Land Use Planning: Final Report : Regional Development Planning for Irian Jaya. Lavalin International, 1988.
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