APA

Windelov H. i., . (200). Tropica Aquarium Plants. Danemark: Tropica Aquarium Plants.

Chicago

Windelov Holger introd, . 200. Tropica Aquarium Plants. Danemark: Tropica Aquarium Plants.

Harvard

Windelov H. i., . (200). Tropica Aquarium Plants. Danemark: Tropica Aquarium Plants.

MLA

Windelov Holger introd, . Tropica Aquarium Plants. Danemark: Tropica Aquarium Plants. 200.