Gaya APA

Siregar, I, Z. (2000). Genetic Aspects of The Reproductive system of Pinus Merkusii Jungh. et de Vriese in Indonesia. . Gottingen, Jerman: CUVILLIER VERLAG.

Gaya MLA

Siregar, Iskandar, Zulkarnaen. "Genetic Aspects of The Reproductive system of Pinus Merkusii Jungh. et de Vriese in Indonesia.". Gottingen, Jerman: CUVILLIER VERLAG, 2000. TEXT BOOK.