APA

Swift P., Szymanowski J., .Ponds,Pools and Rockeries. London: New holland.

Chicago

Swift Penny, Szymanowski Janak, .Ponds,Pools and Rockeries. London: New holland.

Harvard

Swift P., Szymanowski J., .Ponds,Pools and Rockeries. London: New holland.

MLA

Swift Penny, Szymanowski Janak, .London: New holland. .