Lam, H. J. (1919). The Verbenaceae of The Malayan Archipelago: Together with those From the Malayan peninsula, the Philippines, the Bismark-Archipelago, and the Palau-, Marianne- and Caroline-Islands. M. de Waal.
Chicago-viite (17. p.)Lam, Herman Johannes. The Verbenaceae of The Malayan Archipelago: Together with Those From the Malayan Peninsula, the Philippines, the Bismark-Archipelago, and the Palau-, Marianne- and Caroline-Islands. Groningen: M. de Waal, 1919.
MLA-viite (9. p.)Lam, Herman Johannes. The Verbenaceae of The Malayan Archipelago: Together with Those From the Malayan Peninsula, the Philippines, the Bismark-Archipelago, and the Palau-, Marianne- and Caroline-Islands. M. de Waal, 1919.
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